1901,13.5,14.8,13.6,12.7,12.1,10.4,9.6,10.1,10.2,10,10.6,12.3
1902,13.3,13.9,13.7,12.6,12.1,10.2,10.3,9.7,10.2,10,11.1,12.7
1903,13.9,15.5,13.8,12,11.2,9.8,9.5,9.1,9.9,9.5,10.1,11.3
1904,12.4,13.5,13.1,11.9,11,10.4,8.9,9.4,9.6,9.5,10.8,12.3
1905,13.4,15,13.1,12.3,12.1,10.9,10,9.6,9.6,10.1,11.3,12
1906,14,15,14,12.5,11.6,9.2,9.5,9.3,9.8,9.3,11.4,11.8
1907,13.5,13.8,14.2,11.7,11.6,10,9.2,9.4,9.9,9.8,11.2,12.8
1908,14,14.3,14.1,12.2,11.9,10.5,8.9,8.5,9.4,8.7,10.4,12.3
1909,13.1,13.8,13.7,11.7,11.7,8.9,9.1,8.9,9.6,9.6,10.2,11.9
1910,13,14.2,13.2,12.3,10.8,9.8,8.9,9,9.2,9.2,10.8,11.8
1911,13.1,14.5,12.6,12.3,11.2,10,9.7,9.3,9.7,10.1,11.4,13.4
1912,15,15.6,14.9,12.9,11.9,10.3,9.2,9.4,9.8,9.8,10.1,12.4
1913,13.3,13.9,13.9,12.2,10.8,9.8,9.8,9.5,9.6,10.3,11.5,13
1914,13.9,15.1,14.5,12.7,12.2,9.9,9.7,9.8,9.5,9.8,10.7,13.3
1915,15.4,16,15.7,14,13,10.4,9.7,9.8,9.3,9.9,10.6,12.7
1916,13.9,14.5,13.8,12.4,11.4,9,8,8.3,9.8,9.4,9.6,12.2
1917,13,13.5,13.8,12.2,11.2,9.8,8.7,9.3,8.8,9.1,10.7,11.4
1918,13.4,14.6,13.6,11.9,10.8,11.1,10,10.8,9.9,9.8,11.8,14.1
1919,14.7,15.7,14.6,13.1,12.3,10.5,9.5,9.3,9.8,10.4,11.1,12.6
1920,13.9,14.7,14.1,12.7,11.2,9.8,9.2,8.8,9.6,9.6,11.1,12.5
1921,13.4,14.2,13.6,12.4,11.7,9,8.8,9,9.5,9.4,11.5,12.6
1922,14,14.8,14.1,13.5,12.1,10.3,10.4,9.3,10.2,10,11.5,12.3
1923,13.3,14.4,13.9,12.3,12.2,10.8,10.3,10.2,10.8,9.9,11.8,12.8
1924,14.9,14.6,14.1,13,12.1,10.6,9.7,9.6,9.8,10,10.7,12.4
1925,13.3,13.5,13.2,12.7,12.6,10.9,9.6,10.9,9.8,10.8,11.6,13.4
1926,15.1,15.5,14.4,13.1,12.1,11,9.8,10.2,10.9,11.8,12.9,14.1
1927,14.9,15.3,14.8,12.8,12,10.6,9.7,10.2,11.1,11.8,12.8,14.4
1928,15.1,15.8,14.4,13,12.8,10.7,9.7,10.2,10.9,11.1,13,14.1
1929,15.2,15.4,14.8,12.9,12.2,10.8,9.6,9.9,10.6,11.1,12.4,14.1
1930,14.3,14.9,14.1,12.7,11.8,10.6,9.9,9.5,9.8,11.4,12.7,14.8
1931,14.4,14.6,14.7,13.3,12,10.6,9.8,9.9,10.6,11.8,13,13.8
1932,14.5,14.6,14,12.4,12.7,11.2,10.6,10.2,10.6,10.8,11.3,12.9
1933,13.1,14.9,13.9,12.6,11.8,10.2,9.4,9.4,10.1,10.4,10.9,12.5
1934,13.7,13.8,14,12,12.1,10.8,10,9.5,10.1,11.3,12.2,14
1935,14.4,15.1,14.6,12.4,10.7,10.5,9.9,9.6,10.6,10.4,11.6,12.9
1936,13.5,15.4,14.2,13,11.9,10.1,9.9,9.5,10.2,11,12.3,13.7
1937,14.5,14.7,14.2,13.1,12.5,11.5,11.1,11.1,11.2,11.3,13,14.5
1938,14.5,15.1,14.6,13.2,12.4,11,10.4,10.6,11.2,10.7,12.6,13.8
1939,14.5,14.9,14.3,13.9,12.8,12,11,9.8,10.9,11.8,12.2,13.5
1940,14.2,16,15.2,13.8,12.6,11.4,10.7,10.3,11.6,12.1,13,13.5
1941,15.1,15.7,15.6,13.9,13.8,11.2,10.5,10.9,11.8,12.4,14.3,15.1
1942,15.6,16.5,15.1,13.7,13.5,12.4,11.4,11.9,11.5,12.3,13.5,12.6
1943,15.3,15.8,14.9,13.2,12.6,11.5,11.3,10.7,11.5,11.7,13.6,14
1944,15.2,15.3,14.2,13.1,12.9,10.3,11,11.2,11.5,11.5,12.5,14
1945,14.1,14.6,13.5,14.2,14,10.7,10.2,11.4,11.5,12.5,13,12.8
1946,15.5,16.5,15.3,12.4,12,10.1,9.5,9.7,10.6,10.8,12,12.8
1947,15.4,16.3,15.3,13.6,13.2,9.9,9.8,9.1,10.1,10.2,11.4,12.1
1948,13.6,14.4,13.5,11.7,12.3,10.6,9.4,9.5,9.7,10.7,11.7,12.3
1949,14.7,13.7,13.5,12,10.7,9.3,9,9,9.1,9.6,11.4,11.7
1950,12.6,13.2,12,10.5,10.2,8.6,9.2,8.9,10,10.1,11,12.6
1951,12.5,12.7,12.3,11.1,10.9,10.9,11.3,10.6,10.6,11.1,12.1,12.2
1952,13.6,14,14.7,11.4,11.1,9,8.7,9.2,10.6,10.4,10.7,12.1
1953,12.8,14.2,13.5,12.4,10.7,9.5,9.5,10.3,11,10.6,11.9,12.4
1954,13.4,14.1,12.7,9.6,10.6,8.8,8.3,8.6,8.9,9.4,10.9,12
1955,13.1,13.4,12.3,12.1,10.3,9.1,8.4,8.3,9,9.2,10.7,12
1956,12.2,12.7,12.9,9.7,9.7,8.7,8.4,8.9,9.5,10,10.7,11.6
1957,12.4,13.8,13.7,13.2,12.7,11.5,10.2,10.5,10.7,11.3,12.7,13.3
1958,14.7,15.2,14.7,12.8,12.3,10.8,10,9.5,9.9,10.2,11.5,12.7
1959,13.6,14.3,13.9,12.3,11.8,10.6,9.4,9.2,10.1,11,12,13.2
1960,13.8,14.5,13.3,11.8,12.1,9.9,9.8,9.6,10.1,10.3,11.6,12.9
1961,14.4,14.7,14.2,12.9,12,9.8,8.9,9.5,10.1,11,11.8,12.9
1962,14.3,14.3,14,13.1,12.5,9.9,9.6,9.9,10.9,11.2,11.6,13.3
1963,13.5,14.2,13.7,12.2,12.2,9.9,9.9,9.5,10.4,10.3,11.4,13.1
1964,13.6,13.8,13.8,11.9,10,8.9,8.7,8.8,9.8,10.4,12.1,12.6
1965,13.5,13.9,14.3,12.8,11.9,11.6,11,11.3,10.4,10.9,11.9,13.6
1966,14,14.5,14.4,11.6,11,9.6,8.9,8.8,9.9,10.6,11.9,12.9
1967,14.1,14.4,13.8,13,12,9.4,9.6,9,9.4,10.2,11,12.3
1968,13.7,14.3,13.1,11.3,10.2,9.3,9.2,9.5,10.2,10.8,11.4,13.1
1969,13.6,14.3,14.5,13,13.2,11.4,9.4,9.7,11.1,11.2,12.8,13.8
1970,13.9,15,14.3,12.9,11.8,10.1,8.8,9.2,10,10.4,12,12.3
1971,13.4,13.4,13.5,12.4,11,9.4,8.7,9.1,10.3,10.8,11.8,12.6
1972,14.4,14.7,13.9,12.4,12,11.6,11.2,11.2,11.3,11.5,12.7,14.2
1973,15.4,16.1,14.4,13,11.7,9.9,9.6,9.5,9.7,10.5,11.6,12.2
1974,13.4,14.4,12.9,12.7,11.5,10.2,9.6,9.5,9.4,10.1,11.2,12.3
1975,13.3,13.8,13.1,12,10.8,9.9,9,9,9.6,9.7,10.7,12.8
1976,13.6,13.9,13.5,12.4,11.8,11,10.9,10.5,10.3,10.7,11.5,14.1
1977,14.7,15,14.3,12.9,11.8,10.5,9.8,9.6,10.5,11,12.3,12.9
1978,13.9,15,13.7,12.7,11.9,10,9.5,9.8,9.6,10.6,12.5,12.9
1979,14.1,14,14.3,12.5,11.7,10.4,10.2,10.2,10.5,11,11.8,13
1980,14.5,14.9,15,14.4,12.6,11.1,11,9.8,10.4,10.7,11.8,13.5
1981,13.5,14.5,15,13.4,11.9,10.2,9.6,10.2,10.6,10.9,12,13.1
1982,13.7,14.4,13.5,12.5,12.5,10.5,10.4,10.4,11.3,11.9,11.7,15.5
1983,16.3,16.5,16.8,15.6,12.2,11.1,12.8,12.2,11.2,11.7,12.8,13.6
1984,14,14.4,14.4,12.6,12,10.7,9.8,10.4,10.3,11.8,12.1,13.9
1985,13.9,14.1,14.2,12.7,11.3,10.7,9.8,9.6,10.8,11.1,12.1,13.7
1986,14,14.4,13.8,12.7,11.3,9.5,9.2,9.9,10.5,10.6,11.9,13.9
1987,15.2,15.9,15.5,13.8,12.4,11.5,10.9,11,10.5,11.7,13.1,14.2
1988,14.4,14.6,14.8,13.6,12.3,9.9,9.2,9.3,10.3,10.6,12.3,13.4
1989,14,15.3,13.8,12.9,11.4,10.5,10.1,10,10.5,11.4,12.2,12.6
1990,14.2,14.3,14.3,13.1,12,10.4,9.8,9.8,10.7,11.1,11.9,13.6
1991,13.5,13.9,14.8,13.1,12.6,11,10.3,9.7,11,11,12.5,13.6
1992,14.8,15.4,16.4,14.9,13.7,11,9.9,10,10.5,11.3,12.4,13.8
1993,14.2,14.8,14.5,13.7,12.7,11.4,10.2,10.3,10.6,11.1,12,12.9
1994,13.8,14.6,14.2,13,12.7,10.3,9.6,9.6,10.7,11.3,12.2,13.7
1995,14.8,15,14.6,12.9,12.4,11.2,9.9,9.9,10.7,10.6,10.4,12.5
1996,13.2,13.9,13.8,12.6,11.4,9.9,9.2,9.8,10.5,10.9,11.8,13.1
1997,14.1,14.7,14.6,14.2,14,13.6,10.7,10.5,10.6,11.2,12,14.6
1998,15.8,16.5,16.7,14.9,13.4,12.2,11.2,10.2,10.6,11,12.1,13.1
1999,13.9,14.8,14,12.8,11.7,9.7,9.6,10,10.3,11.1,11.6,13
2000,13.9,14.3,13.5,13,11.8,10.3,9.8,10.2,10.3,11.1,11.3,13.5
2001,14.3,15.2,14.5,13.4,11.7,10.2,9.3,9.9,10.3,10.9,11.7,13.3
2002,13.9,14.8,15.2,13.5,12.7,10.4,9.8,10.2,10.6,11.4,12.5,13.7
2003,15.1,15.6,14.9,12.8,12.3,10.4,10,10,10.5,11.4,12.7,13.7
2004,14.5,15.6,15.3,13.5,11.6,10.2,9.8,10.2,11.5,11.8,12.9,13.9
2005,15.4,15.4,15.1,13.3,12.3,10.4,10.1,10.2,10.4,10.8,11.3,11.5
2006,14.9,15,15.5,12.4,11.9,11.3,11.1,11.2,11.2,11.6,12.9,13.6
2007,15.5,15,14.7,12.6,11.7,10.2,9.5,9.2,9.9,10.1,11.6,12.5
2008,14.7,15,14.6,11.9,10.9,10.3,10.3,10.5,10.7,11.2,12.4,13.5
2009,15.1,15.2,15.1,13.2,12.3,10.7,10.6,10.5,10.7,11.6,12.6,13.5
