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