1901,20.8,22.3,25.2,27.5,27.1,27.3,26.9,26.6,26.3,25.4,22.5,20.5
1902,20.4,22.2,25.7,27.2,27.7,27.5,27,26.7,26.1,25.4,22.8,21.4
1903,20.6,21.6,26.1,28.2,27.4,26.8,26.8,26.1,25.8,25.3,21.6,18.3
1904,18.7,21.4,24.6,26.6,26.9,27.1,26.7,26.7,26.5,25.9,21.9,19.3
1905,21.7,22.9,24.5,27.3,27.4,27.4,27.1,26.8,26.7,25.8,23,22.9
1906,21.8,23.3,25.1,28,28.1,27.9,27.4,27,27.1,25.4,21.9,20.8
1907,20.6,22.2,24.3,26.8,26.8,26.8,26.8,26.5,26.3,25.9,23,19.2
1908,20.6,21.9,24.6,27.3,27,27.2,26.8,26.5,26.4,25.6,21.7,20.3
1909,20.5,22.4,25.3,27.2,26.6,27.3,26.7,26.8,26.9,26.2,22.4,20
1910,21.2,21.6,24.3,27,27.5,27,26.8,26.7,26,25.3,22.5,19.1
1911,20,21.7,25,27.4,27.1,27.5,26.8,27,26.7,25.5,23.5,21.5
1912,20.5,22.4,25.5,27.5,28.1,27.7,26.5,26.1,25.9,25.1,21.4,20.1
1913,20.3,22.5,24.2,27.3,26.4,27.2,26.3,26.1,26.1,25.3,21.7,19.8
1914,20.2,22.7,25.2,27.7,27.6,26.9,26.8,26,26.1,25,22.3,21.1
1915,20.7,23.2,25.1,27.5,26.5,27.4,26.5,26.7,26,26,22,19.1
1916,19.5,22,25,27.2,27.6,27,27,26.7,26.3,25,21.6,19.6
1917,19.7,21.7,23.8,27.1,27.2,26.7,26.6,26.2,26.2,25.1,22.2,19.3
1918,19.2,21.2,24.6,26.5,26.6,27,27.3,26.3,26.8,25.9,22.9,21.9
1919,21.2,22.2,26.5,27.7,27.4,27.3,26.9,26.9,26,25.2,22.3,20.7
1920,19.6,21.7,25.2,27,27.5,27.3,27.1,26.6,26.6,24.9,23.2,20.5
1921,20.4,21.7,25.2,27.8,27,27.6,26.5,26.9,25.9,25.1,21.8,21.1
1922,21.4,23.6,24.8,27.6,28.4,27.6,26.6,26.7,26.5,25.5,21.8,19.9
1923,20.9,21.6,25.6,26.9,26.5,26.7,26.4,26.1,26.6,25.6,23.6,21.5
1924,21.5,22.6,25.5,27,27.9,27.2,26.2,26.7,26.7,25.1,23.3,20
1925,19.8,20.7,24.9,25.6,27.4,27.2,27.1,27.1,26.7,24.9,23.1,19.7
1926,21.1,22.2,24.8,28,28.1,27.5,27.2,26.5,27.1,24.8,22.9,21
1927,20.9,22.1,25,26.3,26.7,27.3,27,27,26.1,25.1,23.1,21.6
1928,22.6,21.4,25.6,27.1,27.6,26.9,26.9,26.9,26.7,23.8,21.4,21.3
1929,21.8,22.5,23.9,26.3,27.8,27.2,26.6,27,26.4,25.4,22,22.2
1930,20.1,22.1,23.8,27.1,27.2,27.3,27.1,26.1,26.1,25.7,22.6,21.2
1931,21.5,23.1,26.5,29,29,28.2,27.1,26.8,26.1,24.2,21.8,20.4
1932,19.2,21.3,24.2,27.8,28.8,28.1,27.1,27,26.4,24.9,23.1,19.5
1933,19.9,22.7,25,28,27.7,27.6,26.6,26.4,26.3,25.3,21.5,20.5
1934,19.7,21.6,24.4,26.5,27.9,27.6,26.1,26.7,26.3,24.5,22.6,18.9
1935,21.7,23.1,25.5,27.6,27.4,27.6,26.5,26.2,26,25.9,23.4,21.3
1936,19.8,21.5,23.8,28,27.6,27.2,26.4,26.4,26,24.3,23,22.5
1937,21.2,23,26.2,28,26.3,27.1,26.1,26.3,25.8,25.3,23.8,22.2
1938,21.6,22.7,24.7,26.6,26.1,26.4,25.7,27.2,26.4,25.4,21.4,21.8
1939,20.8,22.9,25.6,26.1,27.3,27.2,26.8,26.4,25.8,25.7,24,17.1
1940,18.3,22.4,24.8,27.4,27.7,28,27.2,26.8,27.4,26.6,23.2,22.3
1941,24.1,24.1,26.4,28.4,27.9,27.9,28,26.3,26.7,25.2,22.6,21.8
1942,21.1,23.5,26.2,27.3,27.2,27.2,26.7,26.4,26.8,25.9,23.4,21
1943,20,21.8,25.5,26.6,27.5,27.1,26.8,26.3,26.3,25.9,22.4,20.6
1944,21.8,23,25.8,27.9,26.7,27,26.9,26.5,26.7,25,22.7,17.9
1945,20.2,21.4,24.8,27.1,26.8,27.8,27.4,26.8,27,24.8,24.4,21
1946,19.8,21.4,26.4,27.3,27,28,26.8,26.4,26.3,25,22.9,23
1947,22.9,22.3,25,26.4,27.9,27.6,27.1,27.2,26.9,25.7,23,20.8
1948,20.7,23.7,26.1,26.5,27.4,28.4,26.5,26.7,26.3,25.6,22.3,22.3
1949,19.9,22.5,24.8,26.3,27.3,27.7,27.2,26.9,26.7,26,23.2,21.4
1950,21.1,21.2,25.2,26.7,27,26.9,26.9,26.8,26.3,25.2,23,19.6
1951,19.5,21.8,24.6,27.1,27,26.1,26.7,27,26.6,25.1,23.2,20.8
1952,20.9,23.5,25.5,27.2,28.4,27.4,26.6,26.4,26.1,25.5,23.3,19.3
1953,21.2,22.3,25.6,27.3,27.2,27.2,27.1,26.8,26.5,26.7,23.5,21.3
1954,22.7,22.7,24,28.7,27.7,28,28,27,26.3,24.7,22.1,19.4
1955,17.4,22.7,25.3,27.2,28.4,26.7,27.2,26.2,26.9,25,20.9,19.4
1956,18.7,23.4,26,27.5,26.6,27,26.9,26.3,26.2,25.2,21,20.1
1957,21.2,21.3,24.8,27.7,29,27.5,26.9,27.4,26.7,25.2,23.2,21.8
1958,20.7,20.6,27.1,29.2,29.6,27.9,27.1,26.9,26.6,25.3,21.1,19.4
1959,20,23,23.6,28.5,28,29,26.8,26.8,25.9,25.4,23.7,23.1
1960,20.9,21.5,26.5,28.4,28,28.2,27,26.9,26.1,25.1,23.8,20
1961,19.5,21.4,24.9,27.8,27.7,27.4,26.9,26.7,26.1,25.4,21.7,21.4
1962,18.3,20.8,24.8,27.7,28.1,27.3,26.7,26.4,26.1,25.4,22.5,20.3
1963,17.1,20.7,24,27,28.5,27.2,26.4,27,26.5,25.1,23.8,20.4
1964,21.5,21.1,24.1,27,26.6,27.4,26.8,26.9,26.3,25.6,21,19.3
1965,18.9,23.1,24.5,26.7,27.2,26.3,26.9,26.4,26.2,25.7,22.9,22.3
1966,22.2,23.7,25.6,27.2,26.6,27.2,27.3,26.1,25.7,25.9,23.1,23
1967,19.4,20.7,24.7,26.6,27.6,27.4,27.2,27.3,25.6,24.7,22.7,19.6
1968,20.4,20.1,25.3,25.7,27.1,26.8,27.2,26.9,26.4,25,23.6,22.6
1969,22.5,22.5,25.5,27.5,28,27.1,26.9,26.7,26.1,25.9,21.6,19.4
1970,20.8,22.7,26.3,26.6,27.3,26.2,26.8,26.3,25.8,25.2,22.3,22.4
1971,19,21.1,24.7,27.4,26.9,26.9,26.1,25.8,26.5,24.1,20.4,20.6
1972,19.1,22.5,23.5,25.5,28.8,27.6,27.5,26.5,26.8,26.3,23.8,22.2
1973,21.3,24.5,26.4,29.1,27.7,28,27,26.6,26.3,25.3,21.5,18.8
1974,19.9,20.3,23.6,25.9,27,27.3,26.8,26.5,26.7,25.9,22.8,21.3
1975,21.3,23,26.3,28.7,27,27.1,26.7,26.4,26.2,25.7,21.8,18.1
1976,19.2,22.4,24.4,26.8,26.5,27.5,26.9,26.1,26.5,26,20.8,21.2
1977,20.6,19.8,24.4,26.8,27.5,29.1,26.9,27.2,26.2,26.1,21.6,21.1
1978,21.5,21.8,26,27.3,27,27.5,26.6,26.7,25.8,25.4,22.6,21.4
1979,23,23.9,27.2,27.8,27.3,27,28.1,27.1,26.9,24.9,21.3,21.1
1980,21.3,22.3,26.9,28.2,27.9,27.2,27.3,26.6,26.1,25.1,23.5,21
1981,20.2,23.6,26,26.7,26.5,26.5,26.3,26.7,26.7,25.2,23.1,19
1982,20.4,22.6,26.6,25.8,27.4,27.4,26.9,26.2,25.7,25.9,23.7,18.6
1983,18.8,23.2,24.9,29.2,28,27.9,27.7,26.7,26.6,25.7,21.2,19.3
1984,19.7,23.4,25.7,28.3,26.6,27.1,26.3,26.5,26.1,24.5,22.9,21.3
1985,21.3,22.9,24.3,26.9,27,26.7,26.6,26.6,26.1,25.1,23.6,20.5
1986,20,22.7,24.5,27.4,26.5,27.2,26.6,27.2,26.5,25.6,22.3,21
1987,21.1,22.7,25.2,27.5,28.4,27.7,27.6,27.1,26.6,26.1,24.5,18.5
1988,22.2,23.8,26,27.4,27.2,27.2,27.1,26.6,26.7,24.9,21,20.4
1989,21.1,22,23.5,28,27,26.6,26.9,26.4,26.2,25.1,22.3,20.2
1990,22.1,22.3,23.7,27.6,26.3,26.5,26.2,26.9,26.4,25.7,23.3,21
1991,23.3,22.5,27.1,27.9,28.3,27.8,27.3,26.5,27,25.6,22.2,21.2
1992,19.4,23,26.6,29.5,29,27.4,26.9,27.1,26.8,24.4,20.8,20.7
1993,20.1,22.1,26,28.2,27.6,28.3,27.7,27.1,26.9,25.5,22.7,20.3
1994,22,24.6,23.5,28.3,28,26.8,27.1,26.5,26.8,24.7,22.3,23
1995,20.8,21.6,26,28.5,27.4,28,26.6,26.3,27.1,25.9,22.3,20.3
1996,21.1,19.9,25.5,25.5,26.8,27.3,26.7,26.7,26.5,25.6,22.9,20.2
1997,20.8,21.3,24.9,25.3,27.9,27.8,26.8,27,26.3,26.7,23.9,23.5
1998,22.8,24.4,27.6,28.2,29.1,28.5,27.9,27.6,27,26.2,23.4,22.4
1999,21.8,23.1,26.8,26.4,26.4,27.4,27.1,27,26.5,25.9,22.7,18.5
2000,22.4,21.6,25.6,27.1,26,27.1,26.6,27.5,26.4,26.4,22.3,22.4
2001,23.4,23.5,24.8,29.3,26.3,27.1,26.9,27,26.9,26.2,21,21.8
2002,20.6,23,25.5,28,26.8,27.4,27.2,26.3,25.6,25.7,23.2,22.9
2003,20.1,23.1,24.2,28,28.5,27.7,27.5,27.1,26.4,26.1,23.6,20.2
2004,21,21.1,25.8,27.1,27.1,27.2,26.1,27,26.1,25.2,23.3,21.4
2005,21,24.9,24.6,27.9,28.4,27.4,27,26.5,26.4,26.2,23.7,21
2006,21.5,23.7,26.1,26.9,26.7,27.8,27.3,26.5,26.6,26,24.2,21.3
2007,20.3,23.3,26.8,27.2,27,26.9,27.6,26.6,26.3,25.1,21.1,22.6
2008,20.6,18.9,24.1,26.8,26.3,26.7,26.6,26.7,26.4,26.5,22.1,20.2
2009,19,24.5,25.7,27.2,26.8,27.4,26.9,27.3,27.1,26.8,25.3,22.1
