1901,22.6,22.9,22.9,22.1,23,22.5,22.3,23.6,25.4,25.8,24.8,23.1
1902,22.6,22,22.6,22.9,23.4,22.9,22.2,21.4,24.9,25.2,25,23.9
1903,23.1,23.7,22.3,21.7,21.5,21.9,21.9,22.1,24.7,24.2,23.8,22.4
1904,21.9,21.6,21.5,22.1,21.3,21.5,22.2,22.7,24,24.3,25,22.9
1905,22.1,22.3,22.2,22,22.4,22.8,21.8,22.5,24,26.1,24.7,23.6
1906,21.7,22.3,22.4,23.2,23.1,20.8,21.6,22.8,24.3,24.7,24.6,22.8
1907,21.7,21.5,22.9,22,21.3,21.4,20.9,21.7,24.2,24.4,24.8,23.5
1908,22.5,21.9,22.6,22.3,22.1,22.2,22.1,21.5,24,23.7,24.3,23
1909,22.7,22,22.1,22.1,21.1,21,20.8,22.2,24.6,24.6,24.8,23
1910,22,21.6,21.3,22.7,21.3,22.3,21.8,22.8,24.1,24.5,24.9,23
1911,21.9,22.3,21.3,21.6,20.9,20.2,20.4,22,24,24.9,24.8,24.1
1912,23.2,22.8,22.5,23,22.2,20.2,18.3,21.1,22.3,23.4,24,22.3
1913,22,21.7,21.6,21.2,20.3,19.9,19.5,20.6,22,23.8,23.9,22.7
1914,21.6,21.3,22.7,21,20,21.6,20.5,20.3,22.1,23.2,22.9,22.6
1915,22.3,21.2,21.2,22.5,21.8,19.7,21.4,21.1,21.9,23.2,24,22.9
1916,22.2,21,21.2,21.3,20.1,19.5,20.4,21.2,22.7,22.9,22.8,21.9
1917,21.6,20.2,21.7,21.3,19.8,20.3,19,21.6,21.1,24.1,23.2,21.9
1918,21.5,20.5,21.7,21.2,21.1,21.1,20.6,21.5,24.2,25,24.8,23.8
1919,23.7,23.5,22.7,22.6,23.5,20.6,21.1,21.6,24,25.4,25.4,23.5
1920,22.7,22.6,22.2,22.6,21.3,19.9,20.6,21.4,24.2,25.8,25.7,24.2
1921,23,21.3,22.6,22,21.7,20.2,20.1,22.5,23.3,25.2,24.8,24.1
1922,23,22.8,23,22.6,21.1,20,20.6,21.8,23.4,23.5,24.7,23.7
1923,23.1,22.9,22.5,21.6,20.7,20.4,20.2,21.8,23.3,25.1,24.2,23.4
1924,23.4,23.3,22,22.2,21.1,21.2,20.6,21.5,24,24.4,25.5,23.9
1925,22.6,22,22.2,22.5,21.9,20.3,20.1,22,24.1,24.7,25.3,24.2
1926,23.9,22.6,22.1,22.7,21.6,22,20.5,21.5,23.7,25.7,25.9,24
1927,23,22.5,22.8,21.8,20.8,20,20,21.7,24,25.8,26,24.5
1928,23.6,23.2,21.9,22.7,21.8,20.6,20.3,22,24.2,25.3,25.8,23.8
1929,23.8,22.6,22.6,22,20.6,20.5,20.4,21.7,24,24.5,25.1,24.1
1930,22.9,22.3,22.3,22.9,21.1,22.6,21.2,22.3,23,25.4,24.3,24.3
1931,23.6,22.8,21.7,22.2,20.9,20.2,20.1,22.4,23.6,25.7,26.4,24.2
1932,22.9,23.5,22.7,23.2,20.3,20.3,21.6,22.3,24.5,25.8,25.8,24.3
1933,23.8,22.8,23.5,22.4,21.9,20.5,19.9,22.3,24.7,25.2,25.8,25.3
1934,22.8,22.1,22.9,22.7,21.9,21.9,21.1,22,23.2,25.3,25.5,24.6
1935,23.1,23,23.1,21.9,22.1,21.3,20.9,21.7,24,25.9,26.1,25.6
1936,24.1,23,22.6,22.5,23.2,21.5,20.8,22.2,25.2,26.6,25,24.3
1937,23.2,23.3,22.5,22.1,22,21.4,20.9,23.7,24.7,24.8,26.4,23.8
1938,24.3,23.4,23.4,21.5,22.1,21.2,20.5,22.5,24.3,25.2,25.7,24.4
1939,23.3,23.4,23.7,22.9,22.1,21.7,21,22.5,24.5,25.7,26,24.4
1940,23.9,22,22.2,22.5,23.3,22.1,22.8,22.9,25.2,26.1,26.5,25.2
1941,21.7,21,23,24.1,20.3,20.1,21.4,21.1,22.2,24.3,23.9,23.9
1942,23,22,22.7,22.3,19.9,19.5,19.6,21.5,25.5,25.8,23.5,22.7
1943,23.1,20.5,21.8,20.7,18.5,17.7,19.2,20.3,21.6,24.9,23.5,23.7
1944,21.2,22.1,21.6,20.4,22,23.2,19.6,21.8,25.5,24.1,22.8,22.1
1945,21.7,22.4,22.4,20.9,17.6,20.8,19.6,22.5,23.3,22.7,25.2,23.4
1946,22.1,21.5,22.2,21,20.6,20.2,18.8,19.4,20.9,21.9,22,20.6
1947,19.6,19.6,20.3,20.9,19.3,19.8,17.7,19.1,21.5,21.9,21.3,21.3
1948,20.8,20.7,20.6,21.2,18.7,17.9,18.9,19.2,24.6,22.1,21.7,21.8
1949,20.7,20.5,21.1,20.5,19.4,18,18.3,20.9,22.1,24.8,22.6,21.2
1950,21.1,21.2,21,22.2,20.4,18,19.2,19.2,21.3,22,21.1,22
1951,20.4,19.7,21.1,18.9,19.4,20,20.5,18.9,22.7,22.6,23.1,23.5
1952,20.6,20.1,22.3,20.3,20.4,18.3,18.3,21.2,22.1,24,23.6,22.3
1953,22.1,21.2,21.1,20.8,20.3,20.7,20.2,23.6,25,24.7,23.7,23.9
1954,22.2,21.1,21.4,22.2,21.1,21.9,20.6,22.2,23.5,24.2,25.4,25.6
1955,22.5,22,21.5,22,21.3,21.4,19.1,21.4,22.9,23.9,24.8,22.2
1956,21,22.6,25,22.7,20.8,19.6,19.5,20.1,22.6,23.6,22.7,23.6
1957,21.6,21.2,23,20.7,21.6,20,20.6,22.1,23.6,24.7,23.2,24.9
1958,22.3,24.1,22.3,22.4,21.5,22.7,20.6,21.9,24,23.9,23.9,24.1
1959,22.1,21.9,20.9,23.3,21,21.1,21.9,22.2,24.1,26.5,26.2,24
1960,21.9,22.4,23.2,21.8,21,22,21.5,21.6,23.8,24.4,24.6,24.3
1961,24.2,23.6,23.9,23.1,22.2,21.3,21.4,24.4,25.5,27,25.8,24.2
1962,23.3,23.9,23.1,22.4,21.6,21.2,18.5,22.8,25.4,25.7,28.1,22.9
1963,22.6,21.4,22.5,22.3,21.5,21.6,22.5,24.5,24.8,27.4,26.9,23.7
1964,24.1,23.2,21.6,23.7,21,20.6,19.5,21.5,22.9,24.1,24.6,24.5
1965,22.4,23.5,22.6,23.5,23.2,22.3,20.7,23.1,23.8,26.1,25.6,23.3
1966,24.7,24.2,23.5,23.5,20.8,22.3,22.4,22.3,25,25.6,25.6,24.7
1967,25,23.3,22.3,23.8,24.4,20.6,20.6,23.5,24.6,26.3,26.6,23.5
1968,23.2,20.9,23.1,21.9,21.4,21.6,21.6,22.5,24,26.8,25.8,26.6
1969,23.5,23.3,25.9,24.8,24.1,21.9,22.9,23.4,25.9,27.1,27,24.3
1970,23.8,23,22.4,22.5,23,22.4,21.2,24,25.2,26.6,27.2,24.5
1971,23.1,21.1,24.4,22.5,21.8,20.6,22.3,22.7,25,24.1,24.3,25
1972,22.6,22.9,23.1,22.5,23.5,23.3,22.8,22.5,24.9,26.9,25.7,23.4
1973,23.9,23.2,22.8,23,21.5,20.8,20.3,20.2,23.3,25,24.2,22.9
1974,20.5,19.7,21.1,20.3,21.7,20.4,21,19.9,22.9,22.3,23.9,23.5
1975,21.2,21.6,22.2,22.2,20.7,20.6,20.3,21.5,22,24.6,24.5,24.1
1976,21.3,22.2,21.8,21.7,20.2,20.4,20.5,21.9,22.5,26.3,24.8,25.1
1977,24,23.1,21.9,21.7,19.4,20.2,21.3,20.4,22.2,24.1,22.9,22.5
1978,21.8,22,22,20.5,21.1,20.7,21,21.1,23.9,25.3,25.3,22
1979,20.2,21.9,20.5,21,20.6,20.3,20,22.9,24.4,23.8,26.3,23.4
1980,22.8,23,21.9,23.7,21.3,20.4,20.3,21.2,22.2,24,26.1,24.8
1981,22.2,21.2,21.5,21.9,21.7,19.7,20,20.7,21.5,23.4,24.7,23.4
1982,21.8,21.9,20.4,20.7,20.8,19.7,21.3,21.4,22.4,24.4,24.4,23.6
1983,24,23.2,23.9,23.9,21.3,20.1,20.1,21.7,23.4,25.2,24.2,24.4
1984,19.8,20.2,20.5,20.8,23,20.3,20.5,21.6,24,24.8,22.1,22.9
1985,21.6,21.3,23.2,21.1,22.4,21.1,19.6,22.4,22.5,25.5,23.6,23.2
1986,22.7,20.5,20.8,22.3,22.1,22.6,19.7,21.9,21.9,24.4,25.5,23.3
1987,22.1,23.6,23.4,22,21.9,21.3,20.9,23.5,24.8,24.8,25.2,22.7
1988,23.3,22.4,22,20.6,20.7,19.6,24,24.7,23.5,26.2,26,24.3
1989,23.5,22.3,23,20.3,19.7,19.7,19.2,20.9,22.5,23.6,23.8,22.6
1990,21.6,20.7,22.6,22.5,20.3,18.8,17.6,20.8,22.5,23.9,23.9,24
1991,23.7,23.9,22.8,23.7,23.3,23,23.1,24.4,24.4,26.2,25.4,25.2
1992,21.2,21.5,20.9,22.5,22.8,20.7,19,19.2,21.9,23.7,23.4,23.3
1993,21.4,23.4,22.8,24.1,23.3,23.8,18.9,20,22.6,23.9,24.3,22.6
1994,23,22.5,22.7,22.4,23.2,22.8,21.2,23.1,24.7,25.8,25.9,24.3
1995,22.7,22.4,21.7,23,20,21.5,20.8,21.8,23.1,25.9,23.6,22.8
1996,21.6,22.1,22.4,22.6,21.3,19.6,20.3,21.7,22,24.7,23.5,22.8
1997,22.3,21.4,20.7,20.6,22.4,22.2,22.6,20.7,23.8,24.3,24.8,23.4
1998,25,23.6,22.6,22.8,21.9,20,20.7,19.7,22.2,23.6,23.6,23.2
1999,21.8,22.4,21.9,20.8,20.3,20,20,20.7,23.8,22.8,23.9,23.7
2000,22.9,21.5,21.9,23.1,19.9,20.7,18.7,20.8,22.3,24.2,24.7,22.9
2001,22.8,22.8,22.2,22.8,19.8,21.8,20.6,23.2,25.3,26.6,23.9,22.8
2002,23.6,22.2,22.5,22.3,22,20.8,19,21.6,23.3,24.2,24.2,24
2003,21.4,22.4,20.8,21,20.9,21.4,19.2,20.4,23,23.9,24.4,22.6
2004,22.5,21.2,22.5,23.7,20.1,20.4,18.9,22.2,23.1,25.7,26.4,24
2005,22.2,22.2,23.1,23.6,22.1,20.7,20.9,22.1,20.6,20.8,25.6,21.6
2006,22.8,22.4,22.4,22.1,20.7,20.8,20.9,20.3,23.5,21.3,22.7,23.8
2007,20.6,22.2,21.5,21.4,20.2,21.7,19.6,21.1,23.2,24,25.1,21.2
2008,20.7,20.8,20.3,20,20.2,20.1,22.2,21.5,22.5,26,25,23.3
2009,20.9,22,23,20,20.6,19.8,19,21.2,22.7,24.2,24.8,22.5
