1901,15.5,15.4,15.6,16.2,17.8,18.2,17.9,18.1,17,17.3,17.1,16.7
1902,15.5,15.2,15.6,16.2,17.8,18.1,18.1,17.9,17,17.3,17.3,16.8
1903,15.6,15.7,15.6,16,17.5,18,17.9,17.8,17,17.2,16.9,16.4
1904,15.2,15.1,15.3,16,17.4,18.2,17.8,17.9,16.9,17.2,17.2,16.7
1905,15.5,15.4,15.4,16.2,17.7,18.3,18,17.9,16.9,17.4,17.2,16.6
1906,15.5,15.4,15.6,16.3,17.6,18,17.9,17.8,17,17.1,17.2,16.4
1907,15.4,15,15.6,16,17.6,18.2,17.8,17.9,17,17.2,17.2,16.8
1908,15.6,15.2,15.6,16.2,17.7,18.3,17.8,17.7,16.8,17,17,16.6
1909,15.3,15.1,15.6,15.9,17.7,17.9,17.8,17.7,16.9,17.2,17,16.5
1910,15.8,15.6,15.9,15.3,16.5,16.5,16.7,16.6,15.3,16.1,16.3,15.8
1911,15.4,15,14.7,15.2,16.6,17.9,17.6,17.7,16.2,17.1,17.6,17.5
1912,16.8,16.7,17.1,17.5,17.1,17,17.1,17,16.8,17.4,16.7,16.9
1913,16.4,15.3,16.2,16.4,17.2,17.5,18,18.3,17.3,18.8,18.7,17.4
1914,16.7,16.2,16,16.3,16.9,17.2,17.5,18,16.8,17.6,17.3,17.6
1915,16.8,17.3,16.4,17.1,17.6,17.7,18.1,18,16.3,16.8,16.6,17.1
1916,15.8,16.1,16.1,17.2,17.5,16.5,16.3,16.6,16.8,16.5,16.1,17.3
1917,16.3,16.5,16.7,17.2,18.3,18.8,17.6,17.3,16.3,16.6,17.5,16.1
1918,15.8,15.1,15.9,16.3,15.1,20.1,19.4,19.9,17.1,17,16.8,16.6
1919,16.4,16.3,15.8,16.8,18.5,17,16.8,17.2,16.6,16.8,17,16.4
1920,15.7,15.5,15.9,15.8,16.5,16.6,15.9,16.9,16.1,17.1,16.7,15.5
1921,14.8,14.7,15.2,15.3,17.2,15.5,15.1,16.7,15.3,16.1,16.7,16.2
1922,15.7,15.5,15.7,16.5,17.8,18.2,18.2,17.8,17.1,17.3,17.4,16.7
1923,15.4,15.3,15.6,16.1,17.8,18.3,18.1,18.1,17.2,17.3,17.5,16.8
1924,16,15.4,15.7,16.3,17.7,18.2,18,17.9,16.9,17.3,17.1,16.7
1925,15.4,15,15.4,16.2,17.9,18.3,17.9,18.3,16.9,17.6,17.4,17
1926,15.7,15.4,15.7,16.3,17.7,18.2,18,18,17.1,17.6,17.5,17
1927,15.7,15.4,15.7,16.3,17.7,18.2,18,18,17.1,17.6,17.5,17
1928,15.7,15.4,15.7,16.3,17.7,18.2,18,18,17.1,17.6,17.5,17
1929,15.7,15.4,15.7,16.3,17.7,18.2,18,18,17.1,17.6,17.5,17
1930,15.7,15.4,15.7,16.3,17.7,18.2,18,18,17.1,17.6,17.5,17
1931,15.7,15.3,15.7,16.3,17.6,18.2,18,18,17.1,17.7,17.5,17
1932,15.7,15.4,15.7,16.3,17.8,18.3,18.1,18.1,17.1,17.6,17.4,17
1933,15.6,15.5,15.7,16.3,17.7,18.2,18,17.9,17.1,17.6,17.4,17
1934,15.7,15.3,15.7,16.3,17.7,18.2,18,18,17.1,17.6,17.5,17
1935,15.7,15.4,15.7,16.3,17.6,18.2,18,18,17.1,17.6,17.5,17
1936,15.7,15.4,15.7,16.3,17.7,18.2,18,18,17.1,17.6,17.5,17
1937,15.7,15.4,16,16.8,18.1,18.8,18.7,18.7,17.6,17.8,18,17.4
1938,16.1,15.7,16,16.9,18.1,18.6,18.5,18.5,17.7,17.6,17.9,17.3
1939,15.9,15.7,16.1,17.2,18.2,19.1,18.7,18.1,17.4,18.1,17.7,17.1
1940,16,16.2,16.3,16.8,18.4,18.9,18.7,18.4,17.8,18.3,18.3,17.2
1941,16.5,16.2,16.8,17,18.9,18.7,18.7,18.9,18.1,18.7,18.9,18.1
1942,16.8,16.9,16.7,17.4,18.7,19.6,19.3,19.5,18,18.8,18.8,17
1943,18.8,16.6,19.1,18.8,18.3,19.2,19.5,18.9,18.5,19.5,18.8,18.8
1944,17.8,16.8,16.6,18,19.8,20.1,20.8,20,19.9,19.2,18.7,18.6
1945,17.6,17.2,17,17.6,19,18.4,19,19.8,19.4,19.3,19.6,17.9
1946,16.9,17.1,17.3,17.2,18.3,18.9,18,18.6,17.9,18.6,18.7,17
1947,16.7,16.5,16.7,17.3,18.8,18.2,18,17.9,17.1,17.2,17.3,16.1
1948,15.7,15.8,15.6,16.3,18.9,18.6,17.9,17.6,16.8,17.8,17.5,16.3
1949,16.5,15.8,16.6,15.7,16.6,17,16.8,16.9,15.7,16.1,16.9,15.9
1950,14.5,14.2,14.1,14.7,15.9,16.3,16.5,16.8,16.2,16.7,16.6,15.9
1951,15.2,14,14.3,15.2,18.4,19.7,19.6,18.3,17.2,17.7,17.5,16.6
1952,16.1,15.4,15.3,15.5,16.7,16.7,17,17.1,16.3,17.2,16.4,16.6
1953,15.4,15.2,16,17.4,18.3,18.2,17.5,18.5,18.1,17.1,17.1,16.6
1954,15.1,15.1,14.9,15.2,16.1,16.9,16.2,16.5,15.9,16.4,17.3,16.1
1955,15.3,14.8,14.4,14.9,16.4,17.2,16.9,16.9,15.7,16.6,16.3,15.8
1956,14,14.2,15,14.8,16.4,17.3,17.1,17.2,15.8,16.6,16.5,16
1957,14.8,16.2,16.5,16.9,19.3,19,18.6,18,16.7,17.6,17.2,17.5
1958,16.5,16.6,16,16.3,17.1,18,17.8,17.3,16.8,16.9,16,16.4
1959,15.4,15.3,15.7,15.8,17.5,17.7,17.6,17.2,16.1,16.6,16.9,16.3
1960,15.6,15,14.9,15.2,16.4,17.3,17.2,17.3,16.2,16.8,16.5,16.8
1961,15.7,15.5,15.6,15.4,17.7,17.8,17.7,17.7,16.4,17.5,16.8,16.5
1962,15,15,14.7,16.5,17.1,17.7,17.5,18.1,17,17,18.2,16.9
1963,15,14.5,15.4,15.7,18.2,18.3,19,19.1,17.6,17.4,17.2,16.6
1964,16.3,15,15.2,16.1,16.6,17.4,17.3,17.4,16.5,17.1,17,16.7
1965,15.4,15.2,16.5,17.7,17,19.6,19.4,19.4,17.6,18.3,18,17.5
1966,16.4,15.9,16,16.8,17.7,18.2,18,17.5,16.7,17.1,17.6,16.4
1967,15.1,15,15.1,16.1,17.5,17,17.2,17,16,16.8,16.5,16.3
1968,15.4,15.1,14.5,15.1,15.6,16.3,17.6,17.9,17,17.6,17.5,16.9
1969,16.4,15.7,16.4,17.6,19.5,18.9,18,18.5,17.7,18.5,17.6,17.2
1970,15.8,15.7,15.4,15.8,17.1,17.4,16.7,17.8,16.9,17.3,17.1,16.1
1971,14.8,14.5,15,15.3,17.3,17.9,18.1,17.8,16.2,17,17.1,16.6
1972,15.4,16.5,17,17.3,19.6,20.8,20.2,19.9,18,18.8,18.4,19.1
1973,17.6,16.6,17.1,16.3,17.5,17.4,16.9,17,16.3,16.7,16.6,15.8
1974,14.6,14.4,14.5,15.8,17,17.5,17.1,17.1,15.9,16.9,17.1,15.4
1975,14,14.8,14.5,15.7,16.8,17.4,17.2,17.8,15.6,16.4,16,15.8
1976,15.9,15.5,15.5,16.7,19.5,19.7,19.5,18.5,17.1,17.3,18.4,18.1
1977,16.8,15.5,16.3,17,18.5,18.8,18.3,17.9,17.4,17.4,17.6,17.2
1978,15.5,16.1,16,16.2,17.3,17.4,18.1,17.6,17,17.6,17.9,16.7
1979,16.6,15.3,16,16.6,17.7,17.8,18.5,19.1,17.4,18.4,17.8,17.1
1980,16.3,15.6,16.2,17.2,18.3,18.5,18.5,17.8,17,17.3,17.4,17
1981,14.8,15.9,15.1,15.9,17.8,18,17.3,17.8,16.8,17.4,17,16
1982,16.2,14.6,15.9,15.8,17.6,18.4,18.7,18.5,17.6,18.5,17.8,19
1983,16.9,17.9,18.1,17.3,18.2,21.9,20,19.6,18.1,18.3,17.7,17.5
1984,15.6,14.8,15.3,15.6,17.3,17.6,17.7,17.3,17.6,17.8,17.4,17
1985,15.3,14.9,15.4,15.4,16.4,17.3,17.2,16.9,16.5,17.6,17.6,17.3
1986,15.7,15.2,14.6,15.6,17,17.4,17.5,18,17.3,17.4,17.9,17.6
1987,16.6,17.2,17.1,17.7,18.3,19.3,19.2,18.6,18,18.7,18,17.6
1988,16.4,15.8,16.1,15.8,17.7,17.5,17.2,18,16.5,16.6,17.7,16.8
1989,15.2,15.7,15.3,15.1,16.5,17.8,17.8,18.1,17.4,17.5,17.8,17.1
1990,15.9,15.8,16.3,16.3,18.4,17.9,17.7,18.1,17.2,17.6,18,16.6
1991,15.8,15.3,15.6,16.3,18.1,19,17.9,18.2,17.6,17.7,17.8,18.3
1992,17.4,17,18.3,19.3,20.5,19.7,17.9,18.4,17.2,17.9,17.7,17.3
1993,15.6,16.3,16.2,17,19.3,20.2,19,18.4,17.4,17.7,17.3,16.8
1994,15.7,15.1,15.8,16.8,17.5,18,17.6,17.6,17.6,18.5,18,18.2
1995,17.5,16.3,16.2,16.1,18,18.9,18.1,18,17.8,17.3,17,16.9
1996,14.9,14.8,15.3,15.1,16.4,17,16.9,17.1,16.6,17.1,16.7,16.5
1997,15.4,15,16.3,17.4,20.2,21,19.2,18.3,17.7,19,18.1,18.6
1998,16.6,16.3,18.5,18.9,19.7,19.3,18.9,19,17.3,18,17.5,17.1
1999,14.9,15.8,15.2,15.5,16.8,17.8,17.7,18.2,17.1,17.7,17.4,16.5
2000,15.2,15.2,15.2,16.1,17.5,18.5,18,18.8,17.4,18,17.7,17
2001,15.4,16.1,16.2,16.6,17.1,17.3,17.8,18.1,16.6,17.4,17.4,16.7
2002,15.6,16.2,17.3,17.6,18.8,18.3,17.9,18.9,17.5,18.5,18.2,17.8
2003,17.1,16.5,16.6,15.9,17.1,18.4,18.4,17.2,17.1,18.4,18.5,17.6
2004,16.5,16.3,16.2,16.9,17.2,18.1,18.5,18.6,17.9,18.4,18.4,17.6
2005,16.8,15.7,16.5,16.8,18.4,18.7,18.2,19.1,17.4,17.6,16.8,15.5
2006,16.3,15.4,16.9,16,17.3,18.8,19.9,20.3,17.3,17.6,18.8,17.7
2007,17.6,15.6,16.1,16.6,16.6,16.9,17.5,17.7,16.3,16.7,16.9,16
2008,16,16,16.8,15.8,17,18.5,19.5,19.7,17.8,17.6,17.6,16.8
2009,15.8,15.6,15.9,16.8,17.4,18.8,18.7,19,17.8,17.8,18.2,17.8
