1901,15.6,15.3,14.6,12.6,10,7.1,8,8,10.1,12.4,12.7,14.1
1902,15.8,16.3,15,13.6,11.1,9,8.9,7.6,10.4,12.6,16.4,17
1903,15.1,16.6,16.3,12.3,9.2,9,6.9,8.5,10.8,13,14.6,16.7
1904,16.1,16,15.2,12.3,8.8,6.9,7.1,8.1,11,12.7,13.8,15
1905,15.6,16.7,14,13,11.3,8.5,7.6,8.7,10.9,14.3,14.1,16.7
1906,14.9,14.9,14.6,13.2,11.6,9.3,8.7,9.1,10.7,13.6,14.3,15.7
1907,15.3,15.5,15.2,13,8.8,8.8,6.7,7.1,11.8,12.4,14,16.5
1908,16.1,15.3,14.4,13.2,10.4,8.6,8.1,7.6,10.5,12.5,14.7,16.5
1909,16.7,17.2,15.3,12.8,9.2,7.7,8.1,8.3,10.5,11.8,13.7,14.7
1910,16.9,15.6,15.6,14,8.9,8.9,6.6,8.8,10.5,10.9,12.9,14.4
1911,16.9,16.6,14.1,13.1,10.8,7.3,6.6,7.6,10.1,12.2,15.5,16
1912,15.9,17.1,14.1,12.9,11.7,8.3,6,7.5,8.1,11.5,15.1,15
1913,15.6,16.2,15.6,13.3,10.7,7.9,8,8.8,11.1,13.2,14.1,15
1914,16.7,14.8,15,12.9,9.3,9.4,9.3,8.9,11.4,13.7,14.7,15.1
1915,17.1,16.6,14.6,14.8,12.7,7.4,6.7,8.5,11.2,12.3,13,14
1916,15.7,14.7,13.2,12.7,9.6,8.5,7.4,7.8,11.8,11.8,14.1,14.8
1917,15.9,15.4,14.5,12,7.3,6.1,5.5,6.6,9.4,11,12,13.6
1918,16.1,14.9,13.8,12.9,10.3,8.1,5.4,6.8,9.9,12.7,12.6,13.6
1919,14.8,14.4,14.1,13,11,8.8,8,7.1,9.9,12.6,13.7,14.6
1920,16.4,15.9,14.2,13.4,9.3,7.9,8.4,5.8,8.9,12.9,13.4,15
1921,15.4,15.8,14.8,12,10.3,7,5.3,9.6,9.6,11.8,11.6,15.3
1922,16,15.4,15.5,12.9,10.3,7.8,6.7,8.3,10.4,12.2,13.2,15.5
1923,15.7,15.3,15.4,13.7,10.6,7.9,6,7.8,9.9,11.6,13,16.2
1924,15,15,15.3,13.1,10.6,8,6.4,6.7,9.8,10.8,12.7,14.5
1925,16.2,16.1,14.6,14.3,10.1,6.2,4.8,8.7,10.3,11.5,14.1,15.4
1926,15.6,14,14.8,12.8,9.2,8.3,6.2,8.1,11.5,12.8,14,15.6
1927,15.2,15,14.9,13.4,9.2,7.7,5.4,7.8,10.7,12,14.3,14.6
1928,15.3,16.5,16.1,14.5,10.4,8.8,7.7,7.9,11.4,12.3,14,15.5
1929,16.5,16.2,15.1,11.4,9.1,8.3,6.5,7.9,11.6,13.8,12.7,16.5
1930,16,15.5,14.9,12.5,10.6,9.7,7.8,8.8,9.5,13,13.2,15.2
1931,16.5,15.1,15.4,13.5,10.5,7.7,8.1,7.9,9.9,12.4,13.1,15.4
1932,15.2,16.9,16.1,14.4,10.5,8.5,8.2,7.9,12,13.7,14.4,15.7
1933,15.7,16,14.1,11.8,9.5,6.2,6.4,7.3,10.5,11.9,12.2,14.3
1934,15.9,15.9,15,13.8,10.1,8,6.9,7.9,10.7,12.2,13.8,15.4
1935,15.1,15.4,14.8,11.5,8.7,7.9,7.6,7.6,9.8,12.6,12.8,15.3
1936,15.8,14.2,14,13.6,11.7,8.7,7.8,7.1,9.8,12.1,13,14.8
1937,14.5,15.5,15.5,12.5,8.7,7.1,8.1,8.3,10,11.6,12.3,13.3
1938,17.7,15.2,14.9,13.2,9,6.7,7,6.8,10.7,12.1,13.4,14.9
1939,15.6,16.2,15.2,12.4,10.7,7.9,5.1,8.8,8.7,12.5,13.8,14.8
1940,16.6,14.3,14.7,13.9,10.6,7.5,8.6,7.7,9.4,11.9,12.8,16.4
1941,17.7,18.2,14.9,15.9,10.8,7.1,6.8,9.5,8.7,13.5,14.2,16.1
1942,17.9,17.3,15.7,13.2,10.3,8.3,5.9,8.5,9.8,13,14.1,14.2
1943,15.1,15.4,15.1,12.3,11.2,9.5,6.9,6.9,9.6,13.7,14.4,14.8
1944,16.5,16.6,16.3,12.5,9.5,7.5,6.5,8.9,12.3,15.8,13.7,16.6
1945,16.7,17,15.2,12.8,8.8,7.2,7.9,10.4,10.4,13.9,14.2,15.9
1946,17.1,17.8,14.8,12.4,11.1,7.3,7.4,9,13.2,14.3,14.3,15.7
1947,17,17.2,14.4,12.1,11.3,9.4,6.8,7.9,10.6,11.4,12.8,14.8
1948,17,16.8,14.3,12.5,10.6,7.3,8.5,7.5,11.5,12.6,13.9,15.3
1949,16.3,15.2,16.7,13,9.9,9.1,7.3,8.5,10.5,12.8,13.1,15
1950,17.3,16.5,15.3,13.5,11.5,9.1,7.7,10.4,12,13.2,13.8,15.6
1951,16.2,15.7,15.2,11.1,9.8,6.8,6.4,6.8,10.5,13.6,14.6,13.9
1952,16.7,17.1,15.3,13.2,8.8,8.6,7.4,9.5,11.3,13.7,14.3,16.5
1953,16.9,16.2,15.4,13.6,10.7,8.1,6.9,7.9,12.2,13.4,13.7,15
1954,17.2,16.8,15.8,13.5,11,9.5,7.8,9,12,13.2,13.7,15.2
1955,16.5,16.4,14.9,12.8,11.2,8.4,7.9,8.4,11.5,12.7,12.9,16.8
1956,19.3,17,15.7,13.6,10.8,8,7.6,7.2,12.2,13.4,13.4,15.6
1957,17.2,16.3,16.1,13.6,10.1,8.3,7.8,9.3,11.4,15.2,14.4,16.6
1958,17.7,17.9,15.8,13.8,11.4,8.8,9.1,10.4,11.6,14.7,16.1,17.8
1959,17.9,18.4,15.6,16.1,12.4,8.9,9.3,9.4,13.5,15,15,16.5
1960,17.3,16.8,15.4,13.4,9.9,8.1,7.5,9.9,11.9,15.7,14.9,16.3
1961,17.6,17.2,16.1,15,11.6,10,8.5,9.7,14.9,16,16.1,16.5
1962,17.3,16.4,16.5,13.7,10.4,7.5,7,8.8,12.1,13.2,14.5,16.1
1963,18.5,16.9,17.7,14.1,10,8.2,7.9,9.5,14.1,15.6,16.1,16.7
1964,17,17.1,15.7,14.7,11.2,8.3,6.5,10,12.2,13.6,13.3,15.6
1965,16.3,16.7,15.2,14.3,11.4,10.6,8.2,9.7,13.5,14.1,15.7,18.1
1966,18.2,18.5,16.2,14.4,11.9,9.7,9.4,9.2,11.5,14.6,15.3,17.6
1967,17.5,17.9,16.2,14.1,11.7,9.9,8.5,10.6,12.4,16.3,14.8,15
1968,17.3,15.8,15.8,12.1,8.2,7.5,7.8,8.2,10.9,14,15.4,17
1969,18.4,18.2,16.5,13.7,11.8,9.7,8.8,9.8,12.6,13.2,15.7,15.6
1970,17.6,17.3,16.6,14.1,12.7,10.8,8.5,8.7,11.8,13.2,13.6,18.1
1971,18,17.7,17.2,14.3,11.8,9.1,8.6,9.7,11,12.7,13.6,16
1972,17.1,16.3,17.3,12.8,11.9,10.6,8.9,10.3,12.2,14.4,15.8,17.2
1973,18.5,18.6,16.6,17.3,11.9,11.2,10.4,10.1,12,13.5,13,16.8
1974,16.7,17.3,16.6,13.9,11.1,8.3,7.9,9.1,11.8,12.8,14.3,14.8
1975,15.7,16.6,16.7,12.9,9.9,8.8,6.5,10.3,11.7,12.9,13.8,15.9
1976,17.7,16.3,14.6,14.3,10.4,9,7.6,9,11.1,12.3,14.9,16.1
1977,17.2,17.9,17.2,14.5,11.3,9.8,11,10,12.5,14.8,15.2,15.5
1978,17.9,16.1,17,13.3,9.9,8.8,9.3,11.1,11.1,14.2,14.6,15.7
1979,14.4,16,15.1,13.1,11.4,7.9,7.6,10.4,10.5,13.9,14.8,16.6
1980,16.1,16.3,16.6,14.5,11.9,8.2,9.5,9.3,10.4,14.2,14,17.5
1981,16.6,16.3,15.5,13.8,10.9,7.6,7.2,9.4,12.7,12.5,15.8,16.2
1982,15.3,16.8,15.7,12.5,10.2,10.2,9.1,10.1,11.2,13.7,17.2,15.5
1983,17.4,17.3,16.2,14.7,12.7,10.7,9.8,9,10.1,13,15.6,16.7
1984,18.5,18.7,16.7,14.2,13.6,10.6,9.9,9,11.2,14.9,15.6,16
1985,16.1,17.4,17.5,15.3,11.2,8.1,7.3,10.2,11,14.1,15.3,16
1986,17.9,17,17.4,15.8,13.2,9.8,8.2,10.4,11.4,13.8,16.2,16.7
1987,18.1,16.9,16.3,16.2,10.8,8.5,9.9,8.9,10.4,14.7,16.2,17.3
1988,19.3,17.4,17.4,15.1,12.8,8.7,6.7,9.5,13.3,13.5,14.2,17
1989,17.3,17.6,17.5,16,11.2,9.2,7.6,9.4,11.5,12.2,15.3,16.7
1990,19,17.5,17.8,16.9,11.7,9.5,8.7,9,10.5,15.4,17.8,15.9
1991,16.9,16.8,16.9,14.8,12.3,10.5,8.9,9.5,11.2,13.3,16.3,17.5
1992,16.6,16.7,16.7,15.4,13.1,10.8,8.8,8.9,10.8,13,15.2,15.7
1993,17.8,15.5,16.5,14.9,11.4,9.2,10.2,9,11.3,14.8,16.1,15.4
1994,16.7,17.7,15.5,14.6,13,8.9,8.2,9,11.4,14.9,16.3,17.3
1995,18.1,17.6,17,14.9,12.2,9.8,10.3,12.1,11.7,13.2,15.7,15.9
1996,18,17.2,17.5,16,11.3,9.9,8,8.9,11,14.2,15.4,17.7
1997,17,17.3,16.1,14.6,10.7,9,9.5,10.1,13.1,16,17.1,18.7
1998,19.2,18.3,17.8,15.6,11.4,9.1,9,11.5,12.6,13.4,15.4,17.3
1999,18.1,17.4,17.4,14.3,10.7,9.4,8.9,9,12.3,11.9,14.3,16.5
2000,17.2,16.6,16.2,14.8,11.2,9.6,7.6,9.2,11.6,16.2,15.6,16.9
2001,18.9,18.8,17.9,16.5,12.2,10.3,9.8,10.2,12,14.9,16,16.8
2002,17.9,16.4,18.3,16.8,13.1,11.7,9.1,12,11.7,17.2,16.5,17.9
2003,16.5,19.3,17.3,15.7,12,11.5,9.9,9.1,12.2,14.8,15.9,17.6
2004,17.3,16.2,16,15.4,11.5,9.5,8.5,9.8,14.3,14.4,15.9,16.5
2005,17.8,17.2,17.1,16.4,12.8,10.8,9.4,11.2,12.1,16,15,16
2006,19,18.3,17.1,15.1,11.1,9.6,10.1,11,12.1,14.7,15.3,17.3
2007,17.9,17.8,18.3,16,11.7,11,9.4,10.5,13.5,15.9,15.5,17.6
2008,17,17.3,16.5,16,11.6,10,9.6,11,11.9,15.6,15.4,16.2
2009,17.7,18.1,17.9,15,12.7,9.4,10,10.4,13.6,14.7,18.1,17.2
