1901,15,15.8,15.5,15.9,16.1,15.7,15.3,16.6,16.6,16.3,16.4,15.7
1902,14.7,14.9,15.6,15.8,16.1,15.5,16,16.2,16.6,16.2,16.9,16.2
1903,15.3,16.5,15.7,15.2,15.2,15.2,15.2,15.6,16.3,15.7,16,14.7
1904,14.2,14.5,14.6,15.1,15,15.7,15.1,16.2,16,15.7,17,15.7
1905,14.7,15.7,15,15.6,15.6,16.2,15.7,16.1,16,16.3,16.7,15.5
1906,14.6,15.2,15.2,16,15.7,15.4,15.2,15.9,16.5,15.3,16.6,14.8
1907,14.1,14,15.6,15.2,15.6,15.7,15,15.9,16.3,15.8,16.5,15.7
1908,14.8,14.8,15.4,15.9,15.9,16.2,15.3,15.9,15.8,15.4,16.2,15.2
1909,14.3,14.5,15.4,15,16,14.9,14.8,15.4,16.4,15.9,16.3,15.3
1910,14.1,14.6,14.7,15.6,15,15.3,14.8,15.6,15.7,15.4,16.7,15.2
1911,14.3,15.6,14.5,15.6,15.3,15.3,15.5,16.4,16.5,16.5,16.9,16.7
1912,16.3,16.3,16.4,16.7,16,15.7,14.9,15.9,16.2,16,15.9,15.7
1913,15.5,15.7,15.7,15.3,15.4,15.2,15.5,15.9,15.9,16.4,17.4,16.3
1914,15.2,16.2,15.9,15.7,15.8,16,15.4,16.6,16.3,15.7,16.5,16.7
1915,15.9,16.1,16.8,17,16.4,15.5,15.6,16.4,16.1,16.1,16.3,16.2
1916,15.1,15.2,15.4,15.9,15.3,14,13.8,14.9,16.2,15.5,15.1,15.4
1917,14.7,14.8,15.9,15.7,15.2,15.5,15.1,15.7,15.5,15.7,16.6,14.6
1918,15,14.8,16.1,15.4,14,17.4,16.4,18,17,16.7,17.5,16.9
1919,16.1,16.7,16.5,16.2,16.2,15.9,15.3,16.4,16.6,16.7,16.8,15.8
1920,14.8,15.1,15.5,16,15.1,15.4,15.6,16,16.1,16.3,16.8,15.7
1921,15.2,15,15.9,15.6,15.7,13.5,14.5,15.6,15.8,16,17.2,16.9
1922,15.4,15.8,16,16.6,16.1,15.6,16,15.8,16.6,16.2,17.3,15.7
1923,14.7,15.4,15.8,15.5,16.2,16.1,15.9,16.7,17.1,16.2,17.6,16.2
1924,16.3,15.6,16,16.2,16,15.8,15.4,16.1,16.2,16.2,16.6,15.8
1925,14.7,14.5,15.2,15.9,16.6,16.1,15.3,17.4,16.3,17.1,17.4,16.8
1926,16.6,16.6,16.1,16.2,16.2,16.3,15.5,16.7,17.4,18.1,18.8,17.7
1927,16.4,16.3,16.8,16.1,16,15.9,15.4,16.7,17.6,18.2,18.7,17.9
1928,16.6,17,16.1,16.2,16.9,16.1,15.5,16.7,17.3,17.3,18.9,17.7
1929,16.7,16.5,16.8,16.1,16.3,16.1,15.4,16.4,17,17.3,18.3,17.6
1930,16,16.1,16.1,16.3,15.8,16.2,15.7,16,16.5,17.4,18.1,17.8
1931,15.2,15.1,15.8,16.3,15.5,15.5,15.2,16.3,16.9,17.6,19,17.3
1932,16,16.1,16.3,16.6,16,16,16.2,16.7,16.9,17,17.2,16.4
1933,15.6,16.1,16.3,16.3,16,15.9,15.5,16.3,17,17.1,17.5,16.6
1934,16,15.5,16.1,16.7,16.1,16.1,15.6,16,16.5,17.6,18,17.4
1935,15.9,16.2,16.6,16.3,15.7,15.9,15.5,16.1,17,16.8,17.8,16.9
1936,15.8,16.5,16,16.2,16.4,15.8,15.6,16.4,17.1,17.3,17.6,16.8
1937,16,15.7,17,17.6,16.8,17.2,17.3,18.2,17.9,17.6,18.8,17.4
1938,16.8,16.4,16.9,17.8,17,16.5,16.7,17.7,18.1,17.3,18.6,17.4
1939,16.2,16.4,17.1,18.6,17.1,17.9,17.3,16.8,17.5,18.2,18.1,17
1940,16.7,17.5,17.4,17.2,17.8,17.5,17.4,17.5,18.6,19,19.7,17.5
1941,17.2,17.2,18.3,17.6,18.1,16.7,17.2,18.2,18.7,19.4,20.2,18.7
1942,17.9,18.7,18.2,18.7,17.8,18.4,18.1,19.4,18.8,19.6,20.4,16.7
1943,18.3,17.7,18.1,19,18.3,18.2,18,18.6,18.2,18.9,20.4,18.2
1944,17.7,17,16.9,18.8,18.5,18.4,17,18.5,19.3,19.1,19,18.8
1945,17.4,17.1,17.2,18.7,18.2,16,17.4,18.7,18.8,18,19.7,17.9
1946,18,18.2,18.1,16.4,16.2,16.5,14.9,16.7,17.6,18,18.6,16.5
1947,17.3,17.4,18.1,18,17.9,15.9,15.1,16,16.9,17.4,18,15.4
1948,16.3,15.5,15.2,16.1,16.8,16.3,15.1,16.9,16.9,17.1,17.9,16.2
1949,17.3,15.3,16,15.7,15,14.7,14.9,14.9,16.1,16.3,17.3,16.3
1950,14.8,15.2,15.1,15.5,14.6,14.6,14.6,16.1,17,17.1,18,16.5
1951,14.3,14.8,14.5,14.5,16.2,16.5,16.6,17.5,17.7,17.5,17.7,16
1952,14.9,15.1,16.4,14.4,14.9,13.5,14.2,15.6,16.7,17,16.7,16
1953,14.6,15.2,15.1,15.9,15.4,15.5,14.3,16.8,17.7,16.2,16.8,15.9
1954,14.8,14.6,14.2,14.5,14.5,15.5,14.5,16.1,16.5,16,17,17.2
1955,15.2,14.7,14.8,15.4,14.4,15.1,14.7,15.7,16.3,16.7,17,16.2
1956,14.3,14.5,15.9,14,13.9,14.5,14.4,15.3,16.6,16,16.7,15.4
1957,14.3,14.4,15.6,15.6,16.4,16,15.1,16.4,16.8,17.2,17.8,16.8
1958,16.4,16.8,17.2,17.4,16.3,17.6,17.8,16.5,17.4,17.1,16.7,16.4
1959,15.5,15.6,16.2,16.8,16.1,16.4,16.5,15.3,16.2,16.7,17.3,16.7
1960,16.2,16.3,16.1,15.2,15.4,16.6,16.1,17.8,17.7,17.2,16.8,17.3
1961,16.7,15.9,16.7,16.5,17,17,17.2,17,17,17.6,17.5,16.1
1962,15.6,15.4,15.1,16.4,17.1,16.6,16.7,17,17.4,17.7,19.2,15.9
1963,15.1,15.1,15.9,16.6,16.7,16.8,17.2,17.9,16.7,17.4,18.5,17.5
1964,16.7,16.8,15.8,16.5,15.2,15.1,14.7,16.8,16.8,17.4,17.5,17.2
1965,16,15.5,15.7,16.2,16,15.7,15.6,17,17.2,18.5,18.7,17
1966,16.2,16,15.8,16.3,14.8,14.9,14.9,16.4,16.8,16.8,17.8,16.5
1967,15.9,15.2,15,16.3,15.7,14.7,14.2,15.4,16.4,16,17.8,15.8
1968,15.4,15,15.1,15.2,14.7,14.9,14.5,16.1,16.9,16.7,16.6,16.9
1969,15.4,15.8,16.4,16.3,16.2,15.4,14.5,15.7,16.7,17.5,18.2,16.7
1970,15.4,15.8,15.6,16,15.2,15.5,12.8,15.9,16.1,17.1,18.2,15.4
1971,15.1,14.4,15.5,15.2,14.6,14.7,14.8,15.7,17.1,16.5,17.5,15.8
1972,14.7,15.4,15.2,16.2,15.3,15.7,16,16,16.5,17.9,18,17.4
1973,15.7,16.3,16.3,16,15.3,15.7,15.4,16.3,16.2,17,17.7,16.3
1974,14.7,14.4,15.6,15.6,15.7,15,15.2,14.9,16.9,16.7,18,16.5
1975,14.8,15,15.4,16.4,15.1,15.4,15.9,16.1,16.1,16.7,17.6,16.1
1976,15,15.2,15.6,15.9,15.1,15.5,15.9,16.5,16,18.5,18.5,17.6
1977,16.7,15.3,16.1,17,16.1,15.8,15.9,16.9,17.2,17.5,17.5,16.8
1978,15.4,16.5,16.5,16.4,16.6,15.1,15.5,15.7,17.1,17.9,18,17
1979,16.1,16.4,16.3,16.2,16.5,16.3,15.8,16.9,18.7,17.9,18.6,17
1980,16.7,16.8,16.5,17.1,16.3,16.9,15.8,17.3,17,17,18.6,17.7
1981,14.8,14.3,15.5,16,16.4,16.7,15.8,16.1,15.3,15.1,16.5,16.6
1982,16.2,15.8,16.6,16.8,17.4,17.4,16.9,16,16.1,16.4,17.4,17.1
1983,18.2,17.4,17.8,18.3,16.3,17.3,17.4,17.5,17.3,16.4,18.9,16.8
1984,14.3,14.1,15.4,15.9,15.8,15.7,16.1,16.4,16.6,17.9,16.4,16.5
1985,15.9,15,17,14.1,15.9,12.6,15,15.9,15.6,17.3,16.1,15.6
1986,15.1,14.2,15.1,16.1,15.2,15.7,15.5,16.4,16.5,16.5,17.7,17
1987,16.1,16.2,17.1,17.4,16.3,16.2,15.6,17.5,17.9,17.9,17.6,17.4
1988,15.3,16.3,15.6,16.2,16.1,15.5,14.4,16.6,16.8,16.8,17.9,16.5
1989,14.5,15,15.2,15.1,15.3,12.9,15,15.8,16.6,16.7,16.8,16
1990,15,15.7,15.6,15.8,15.9,14.7,15.5,15.4,16.8,16.8,17.2,16.6
1991,14.6,15.7,16.2,16.1,16.2,16,15.3,15.7,16.4,17.1,17.4,17.1
1992,16.6,17.3,17.5,17,16.8,16.1,15.3,16.3,15.4,15.3,16.3,15.7
1993,15.2,16.8,17.1,16.1,16.4,16.3,16.2,15.8,16.5,16.7,17.5,16.7
1994,15.6,15.7,17.5,16.6,16.9,16.4,15.7,16.6,17.3,17.5,18.5,17.8
1995,16.6,16.7,16.1,17.4,16.7,16.4,16.8,17.6,17.3,17.6,17.8,16.6
1996,15.5,15.4,16.2,16.6,16.8,15.7,15.5,16.2,16.9,16.8,17.3,16.3
1997,15.8,15.4,16.5,16,16.3,16.6,16.7,16,17,17.8,18,17.9
1998,17.6,17.8,18.4,18.3,17.3,16.7,16.8,17.4,17.5,17.2,18,17
1999,16.2,15.7,16.3,16.4,15.7,16.1,15.8,16.6,16.6,16.7,17.9,16.7
2000,15.4,15.3,15.3,17.1,16.7,16.1,15.7,16.7,17.3,16.6,18.3,16.8
2001,14.9,15.7,15.9,16.6,16.2,16.1,15.7,16.1,17.2,17.2,18,17
2002,15.8,15.4,15.9,16.5,15.9,15.9,14.9,15.9,16.6,16.9,17.5,16.9
2003,16.1,16.1,16.5,15.9,15.9,15.4,15.5,15.1,16.9,17.4,18.4,17.1
2004,15.7,15.5,16,16.6,15.8,14.7,14.8,15.3,16.5,16.8,17.8,17
2005,16.2,15.6,16.2,16.6,15.9,15.4,15.6,16.3,16.6,16.6,17,15.8
2006,15.3,15,16.5,16.1,15.1,15.9,15.5,15.2,17,17.1,17.2,16.5
2007,16.2,15.4,15.5,16.4,15.7,15.1,15.3,16.5,16.4,16,17.3,16.1
2008,15,15.1,15.3,16.4,15.2,15.9,15.5,16.5,17.2,16.7,17.8,16.5
2009,15.5,15.3,15.9,16.7,15.9,16,15.7,16.6,17.6,17.2,18.2,16.5
