1901,20.4,21.1,21.9,24.1,23.3,22.6,22,22.5,23,22.2,21.6,19.7
1902,19.2,20.2,22.6,24.1,24,23.4,22.1,22.9,22,21.7,21.6,20.6
1903,20.1,21.1,22.9,24.2,23.5,22.9,22,22.1,22,21.8,20.7,19.3
1904,18.9,19.8,22,23.8,23,21.3,21.3,22.1,22.2,22.1,21.2,19.6
1905,19.5,20.9,22.5,23.3,23.4,22.7,22.4,22.5,22.4,22,21.8,20
1906,20.2,21.5,22.4,25.2,24.3,22.9,21.9,22,21.8,21.9,21.6,19.9
1907,19.2,20.5,22.4,22.9,23.5,22.4,22,21.5,22.4,22.2,21.5,19.9
1908,19.6,20.1,21.8,24.3,23.3,22.7,21.5,21.9,22.2,22.1,21.3,19.9
1909,19.4,20.6,22.3,23.8,23,22.8,22.1,22.1,21.6,22.2,21.8,20.5
1910,19.7,20.6,22.5,24.1,23.9,22.7,22.1,21.8,21.3,21.7,20.5,18.9
1911,19.6,19.7,22.4,24,23.9,22.7,21.9,22.4,22.9,22,21.9,20.2
1912,18.8,21.5,23,24.4,24.4,22.6,22,22.3,22.5,21.8,21.3,19.5
1913,18.9,20.9,22.6,24.3,24.1,22.8,21.8,22.3,22.9,21.8,21.5,20.5
1914,19.3,20.9,22.9,24.3,24.1,23.3,22.1,22.1,22.9,22.1,21.9,20.5
1915,20.2,21.2,22.5,24.2,24.1,23.4,22.2,23,22.6,22.5,21.9,19.9
1916,19.2,21,23,24.7,23.8,22,22.2,22.1,21.8,21.8,21.3,19.2
1917,18.9,20.1,21.7,24,23.2,21.9,22.3,22.1,21.8,21.2,21.4,19.7
1918,18.8,19.3,21.4,23.8,22.2,22.4,22.8,22.3,22.4,22.7,22.5,20.2
1919,20.4,21.4,22.6,24.9,23.5,22.3,21.9,22.1,22.3,22.2,21.5,20.3
1920,19.2,21,22.9,23.7,24,22.4,21.9,22.1,22.2,22.1,21.4,19.8
1921,20.4,20.4,22.9,23.5,24.2,22.9,22.1,22.1,21.9,21.9,21.2,19.6
1922,19.6,20.3,22.8,24.1,23.1,22.4,21.4,22.2,22.1,21.7,21.2,19.1
1923,19.2,20.2,21.9,24.1,23.6,22.8,21.2,21.6,21.9,22.2,22.2,20.6
1924,19.8,21.2,22.6,24.6,24.2,22.1,21.5,22.1,22.3,22.1,21.6,20
1925,19.9,20.6,22.2,24.5,22.6,22.6,21.9,22.1,22.7,22.1,21.6,20.2
1926,20.1,20.9,23.3,24.4,24.3,23.4,22.7,22.6,22.4,22.3,21.9,20.8
1927,20.5,21.5,23.1,24.7,23.7,22.4,21.5,22.4,22.4,22.1,21.7,20.9
1928,20.4,21.2,22.7,24.5,24.9,23.1,21.7,22,22.8,22.1,21.9,20.3
1929,20,20.9,22.5,23.3,23.6,22.4,22.2,22.8,22.8,22,21.8,20.5
1930,19.9,20.8,22.5,24.3,23,22.9,22.5,22.6,22.6,22.1,21.9,20.6
1931,20,21.1,23.3,24.7,24.8,23.3,22.5,22.4,21.9,22.5,21.5,20
1932,18.8,20.2,21.8,24.2,23.1,23,21.9,22.7,22.1,21.9,21.3,19.8
1933,19.8,20.8,22.2,23.9,22.5,22,21.7,21.9,21.6,21.4,21.6,20
1934,19.5,20.1,21.9,23.9,24,22.7,22.3,22.5,23,22.4,21,19.7
1935,19.9,20.7,22.8,23.9,24.7,23.3,21.8,21.9,21.8,22.1,20.9,20.2
1936,20,21.3,22.3,24.5,23.7,22,21.8,22.1,22.6,22.2,21.5,20.7
1937,19.9,21.5,23,23.2,24.1,22.8,21.6,23,23,22,21.4,20
1938,20.1,21.4,23.1,24,24,22.5,21.8,22.1,22.1,21.5,21.2,20.4
1939,19.2,20.4,22.4,23.3,23.9,22.7,21.6,22.1,22.4,22.3,21,20
1940,18.3,20.6,22.7,23.8,23.2,22.8,22,22,22.8,22.3,21.3,20.2
1941,20.2,21,23.3,24.7,24.2,22.7,22.7,22.8,22.2,22.5,22,20.2
1942,19.6,21,22.7,24.3,24.3,22.9,21.9,22.2,22.3,22.2,21.3,20.3
1943,19.8,20.6,22.6,23.4,22.8,21.8,21.3,22.1,21.4,21.1,21.3,19.9
1944,19.8,20.6,21.3,23.7,24,22.8,21.9,22.9,22.4,22.3,21.6,19.8
1945,19.7,21.4,22.7,23.8,24.3,23.1,22.2,22.3,22.4,22.3,21.4,20.1
1946,18.8,20.1,22.6,24,24,22.8,22.1,22.1,22.2,22.2,21.5,19.8
1947,20,20.4,22.6,23.2,24.4,22.9,22.1,22.1,21.6,21.7,21.5,20.2
1948,20.2,21.1,22.5,24.2,23.5,22.8,22,22.2,22.3,22.2,22.1,20.2
1949,19.2,20.5,22.8,24.2,23.5,22.5,21.8,22.2,21.6,22.3,21.2,19.6
1950,19.3,20.9,22.6,24.1,24.4,22.5,21.5,22.1,21.5,21.4,21.1,19.8
1951,19.5,20.1,22.1,23.4,23.5,21.8,21.6,22.9,22.9,22.4,21.8,19.7
1952,19.8,20.9,22.5,24.1,23.4,22.6,22.2,22.2,22.5,21.6,21.3,19.7
1953,19.6,19.7,22.9,23.3,24.6,23.5,21.5,22.5,22.2,22,21.1,19.8
1954,19.9,20.8,22,24.3,23.5,22.4,21.4,21.8,21.8,21.4,20.9,19.9
1955,20.1,21.1,22,23.8,22.6,22.8,21.9,22.1,22.7,22.1,21,19
1956,19.2,20.3,22.4,24.1,22.9,22.4,21.7,22.3,22.2,21.4,21.3,19.5
1957,19.1,20.7,21.7,23.7,24.2,22.8,22.4,22.8,22.6,22.8,22,21.3
1958,20,21.9,23.3,24.2,23.6,23.2,22.5,22.8,22.2,22.5,22,19.9
1959,20.1,21,21.8,24,23.9,22.9,22,22.1,22.6,22.6,21.6,19.9
1960,20.2,20.9,22.5,23.8,22.6,22.9,22.8,22.5,22.2,22,20.7,19.6
1961,20.2,21.5,22.9,24.2,23.4,22.5,21.8,22.5,22,21.9,21.5,20.2
1962,19.8,20.9,22.1,23.3,23.2,23.1,22.4,22.6,22.3,22.4,21.1,20
1963,19.8,19.8,22.1,23.3,23.6,23.1,22.5,22.5,22.4,22.2,21.9,20.1
1964,18.9,20.4,22.6,24.3,24.3,22.8,22.3,22.1,21.5,21.7,20.5,18.9
1965,18.9,20.9,22.1,23.4,23.4,22.4,21.9,22.3,22.5,22.8,22.3,20.5
1966,20.7,21.6,23,24,23.6,22.7,22.4,23,22.4,21.8,21.6,20.2
1967,19,19.3,21.7,23.6,23.9,22.9,21.3,21.6,22,21.5,19.8,20.4
1968,19.5,20.3,22.2,23.1,23.9,22.8,21.8,22.2,22.1,21.7,21.7,20
1969,19.4,21,22.7,24.2,23.6,23,22.1,22.8,21.8,22,21.4,20.6
1970,20.1,20.8,22.4,24.4,23.6,22.8,22,22,22,21.8,21.7,18.6
1971,20.1,20,21.6,23.1,23.1,22.3,21.7,21.8,22.2,21.5,20.2,19.2
1972,18.2,20.2,20.8,23.8,23.2,23.4,22.1,22.2,23,22.4,21.6,20.9
1973,18.8,21.2,22.4,24.3,23.7,23.1,22.9,21.7,22.4,22.3,21.1,19.7
1974,18.6,19.2,21.9,23.8,22.9,22.5,21.6,21.7,21.7,21.3,20.9,19.1
1975,18.8,21.1,22.4,23.6,23,22.2,21.5,22.1,21.7,21.5,20.7,18.8
1976,18.5,19.8,21.8,23.2,23.5,23.2,22.2,22.2,22.7,22.5,22.3,20.2
1977,18.7,20.9,22.5,24.3,23,22.8,22.1,22.5,22.7,22.5,22.3,20
1978,19.7,21.4,22.7,24.7,23.4,22.4,21.8,22.3,22.2,22.6,21.7,21.6
1979,20.8,22.2,23.2,24.9,24.5,23.5,21.9,22.8,22.9,22.4,22.7,21.3
1980,19.3,21.1,23.1,24.8,24.7,22.9,22.1,22.3,22.9,22.6,22.2,21.1
1981,20.7,21,22.8,24.8,24.4,22.9,22.9,22.4,22.7,23,21.8,20.3
1982,19.4,21.2,23.3,24.8,24.6,22.9,22.3,22.4,22.6,22.9,22.8,20.5
1983,19.8,22.4,23.9,25,25.1,23.7,23.2,22.9,22.2,22.6,21.1,20.6
1984,21.7,20.4,22.8,24,24.3,22.5,21.7,22.3,22.4,21.4,21.5,20
1985,21,21.5,23.2,24.8,24,22.2,21.9,22.3,22.7,21.8,21.3,21
1986,20.6,21.1,23.6,24.7,24.1,23,22.5,22.3,22.6,22.5,21.4,21.7
1987,20.2,20.5,22.6,24.8,24.6,22.9,23.5,22.4,23.2,22.8,22.3,21.4
1988,20,21.8,24.1,24.5,24.1,23,22.4,22.8,22.2,22.7,22.1,19.7
1989,19.5,19.7,22.4,24.2,23.6,22.2,22.2,21.7,22.1,22.4,22.1,20.5
1990,20,21.5,23.7,25,23.7,22.7,21.7,22.4,22.9,22.7,21.7,21
1991,21,21.6,23.3,24.4,24.5,23.1,22.3,22,22.8,22.4,21.5,20.1
1992,18.9,20.6,21.6,24.1,23.4,22.8,21.9,22,22.2,21.8,22.4,19.6
1993,19.1,20.3,22.6,24,24.2,22.9,21.5,22.2,21.9,22.1,21.9,20.6
1994,19.8,21.2,22.1,24.1,23.7,22.7,22,22.3,22.2,22,21.6,20.2
1995,20.1,21.4,22.4,24,23.4,23.2,22.5,22.7,22.4,22.1,22.3,20.4
1996,19.6,20.3,23.2,23.7,24.2,23,23,22.6,22.7,21.7,21.9,19.8
1997,19.9,20.8,22.2,24.1,24.1,23.8,22.9,22.7,22.7,22.3,22.9,22.2
1998,21.4,21.7,24,25.5,24.2,23.6,22.8,23.1,22.3,22.1,21.9,20.9
1999,19.3,20.9,22.4,23.7,22.7,22.5,22.7,22.9,22.7,22.5,21.8,19.6
2000,20.6,22,22.5,23.9,23.8,23,22.4,22.8,22.9,22.2,21.8,20.4
2001,20.8,22.3,23.6,24.4,24,23.2,22.7,22.6,23.1,22.5,22.3,20.6
2002,20.8,20.9,23.2,24.7,24.1,23.5,23.2,23,23.8,22.9,22.2,21
2003,20.6,22.1,23.1,24.6,25.2,24.2,23.1,23.3,23.4,22.8,22.2,20.8
2004,20.6,21.4,23.6,24.6,22.3,22.8,22.5,23,22.7,22.6,22.1,21
2005,21.2,22.2,23.8,23.9,24.5,23.6,22.8,23.3,22.9,22.7,21.6,20.7
2006,20.5,21.1,23,24.9,23.8,23.5,22.7,23.3,23.3,22.8,22.3,20.8
2007,20.6,21.4,23.7,24.6,24.5,23.5,22.9,23,22.7,22.7,22.2,20.7
2008,20.9,21.6,21.6,23.8,24.4,23.3,22.7,23,22.8,22.7,22.3,20.9
2009,20.2,21.9,23.5,24.9,24.3,23.4,22.6,23.3,23,23.1,22.5,21.5
