1901,11.1,13.5,12.3,10.5,8.4,5.6,4.9,5.8,7,7.7,11.9,11
1902,12,11.3,10.7,10.4,8.1,7.2,6.3,5.3,5.6,8.2,10.5,11.1
1903,11.9,12.3,12.9,10.5,7.8,6.3,5.5,5.3,6.7,8.8,10.6,11.9
1904,12.6,12.8,11.4,11.5,9.4,7.1,5.7,5.9,5.1,7.7,9.7,11.3
1905,12.9,12.1,11.6,11.1,8.5,7.2,5.6,6.1,6.1,7.1,8.4,10.6
1906,12.6,13.3,11.8,11.1,8.9,7.6,6.1,5.8,6.3,8.6,8.9,11.5
1907,12.7,12,11.2,9,8.1,5.9,4.7,6.6,6.8,7.8,10.3,10.7
1908,16,15,12.6,10.4,8.2,5.5,5.6,5.8,6.8,8.7,11.2,12.5
1909,13.1,13.5,12.7,10.7,8.2,6.8,5.3,6,5.9,8.8,10.2,10.8
1910,13.5,13.6,13.5,11,9.3,7.6,6.4,7.4,8.4,8.6,11.3,11.4
1911,13.1,14.9,13.6,9.9,9,5.8,5.6,7.5,7.9,8.7,10.6,11.3
1912,12.7,14.8,13.4,10.4,8.2,7.8,6.5,7.2,6.8,8.7,10.4,11.6
1913,12.7,14.1,11.4,11.5,8.4,6.6,5.6,5.9,7.2,9.3,8.9,12.5
1914,12.9,15.1,14.5,10.5,9,7.2,5.3,6.9,7,10.3,11.9,13.2
1915,13.6,14.3,11.9,10.8,8.2,7.1,6.6,6.8,7.9,8.5,9,11.5
1916,13.2,14.6,12.8,10.4,8.1,6.7,6.2,5.9,8.2,9,9.4,12.6
1917,13.6,14.1,12.8,9.8,7.4,7,6.3,6.6,7.6,8.8,10.6,13.7
1918,14.9,14.4,13.1,11.1,9.3,7.9,5.8,7.3,8.1,8.3,10,11.5
1919,12.9,14.8,12.2,12.2,9.3,7,5.5,6.8,8.3,9.2,11.8,13.4
1920,13.3,14.6,12.1,10.8,7.3,7.3,6.2,6.4,8.4,9.5,11,12.8
1921,14.4,15.4,13.3,10.7,9.8,7.9,6.9,6.1,8.6,9,11.6,12.3
1922,13.5,14.7,11.8,11.1,8.8,6.9,6.2,5.7,7.5,9.1,9.9,12
1923,12.5,13.5,12.3,11.2,8.4,7.6,6.6,6.4,6.9,8.5,9.3,12.4
1924,12.2,13.4,12,8.5,7,5.7,5.1,6,7,8.8,10.3,10.4
1925,12.6,13.3,12.2,10.2,8.5,7.4,5.4,5.2,6.1,7.8,9.9,11.4
1926,11.6,12.8,12.7,10.5,7.5,7.5,6.9,6.4,8.3,9.5,9.8,11.8
1927,13.3,13.3,11.8,10.2,7.9,5.8,5.9,5.8,6.9,9.7,11,12.9
1928,14.3,14.9,14.3,11.7,8.5,7,6.8,6.6,7.9,6.9,9.6,11.3
1929,12.2,14.6,12.3,11.1,8.7,6.7,5.2,5.8,5.9,7.3,9,10.7
1930,12,14.9,13,10.3,9,7.3,7.4,6.9,8,10.6,10.7,13.3
1931,12.2,13,12.1,10.4,9.8,7.9,6.3,6.5,6.9,8.3,10.7,12.4
1932,13.4,13.1,12.9,11,9.1,6.7,6.1,6.9,8,8.6,11.2,11.4
1933,12.7,12.6,12.2,10.3,8.3,7.8,6.5,5.9,7.5,9.7,10.8,13.3
1934,14.1,14.8,14.4,10.6,9.8,6.9,7.3,7.1,8.1,8.7,10.3,12.7
1935,13.2,14.3,12.3,10.9,8.1,6.8,6.3,7.3,7.8,8.9,10,12.5
1936,14,14.4,13.8,9.8,8.4,6.7,6.3,6.6,6.3,8.5,9.9,12.6
1937,12.2,14.3,13.1,10.1,8.3,6.5,5.7,7.3,8,9.9,12,13
1938,13.5,13.6,12.9,11.5,9.8,6.8,5.9,6.6,7.1,9.5,11.6,11.8
1939,14,14.2,13.2,11.5,10.1,7.3,5.5,6.3,7.4,8.7,9.8,10.4
1940,12.7,11.5,13.7,9.8,7.7,6.2,6.3,6,7.1,9.4,9.4,11.8
1941,13.3,13.6,11.8,11.3,8,7.1,6.4,5.8,7.1,7.8,10.4,11.6
1942,13.1,13.7,12.8,9.6,8.8,7.3,5.8,6.8,7.5,8.8,10.7,12.7
1943,13.8,13.3,12.3,8.9,7.2,5.8,5.9,5.2,6.7,8.4,10.2,11.2
1944,12.7,12.7,11.9,8.6,7.7,5.9,5.4,5.3,7.2,8.5,10.1,10.8
1945,12.2,11.9,10.1,8.9,7.4,7.3,5.4,6.9,6.5,8.3,10.3,11.8
1946,12.8,12.6,11.6,9.2,7.6,5.7,6.3,5.6,6.4,6.8,9.3,10.7
1947,12.7,14.9,12.8,10.8,9.6,7.2,6,5.5,7,8,9.5,11.7
1948,12.5,14,9.5,10,7.3,6.4,4.7,6.4,7.3,7.8,9.4,11.4
1949,12.4,11.6,11.5,8.8,7.2,5.7,6,5.8,6.5,8.3,10,10.4
1950,11.8,13.4,12.5,10.4,7.9,6.4,6.5,6.4,8,9.5,10.6,12.9
1951,15.3,14.7,13.8,9.4,9.7,8.8,5.7,6.4,7.8,8.6,8.5,9.9
1952,11.4,12.4,13,9.1,7.4,6,4.6,5.9,6.9,8,9.3,11
1953,13.1,13.6,12.3,10.2,8.6,5.6,5.2,5.3,6.7,7.3,8.9,10.5
1954,13.1,12.7,11.3,10.5,8.1,7.7,6,6.3,6.4,8.7,10.3,10.8
1955,12.9,14.3,12.4,9.9,7.2,6.2,5.6,6,6.4,8.2,8.6,11.3
1956,12.2,15.6,14.2,10.3,8.3,6.1,5,4.9,6.5,7.8,8.6,10.2
1957,10.9,12.7,11.8,9.4,7.7,9,6.4,6.9,6.9,7.7,9.5,11.1
1958,11.8,13.2,12.5,10.2,9.1,5.9,5.7,6.4,5.6,7.7,10.9,10.4
1959,14.4,12.8,12.7,10.3,8.2,7.4,6.3,6.7,7,8.5,10.2,10.5
1960,14.5,13,13.2,9.4,6.7,6.1,5.7,5.6,7,8.5,8.9,12.3
1961,15,14.4,12.9,11.3,8.5,7.7,6.4,7.2,8.3,10.3,11.4,12.8
1962,13.7,13,13.3,10.8,7.8,7.9,6.6,6.2,7.3,7.7,9.8,11.8
1963,13.6,13.1,13,9.9,8.9,7.3,6,6.6,7.8,10.7,10.2,12.5
1964,12.2,12.7,12.1,11,8.4,7.5,5.6,7.1,7.3,8.6,10.3,10.5
1965,11.7,13.3,11.4,9,9.2,7.1,5.8,6.9,8.2,9.3,9.3,12.4
1966,13.3,12.5,13.6,9.3,8,6,5.2,5.6,7.4,8.6,10.6,11.7
1967,12.7,14,12.4,10.8,7.6,8.7,6.8,6.6,7.7,9.4,9.8,10.6
1968,13.4,15.4,14.4,11.9,7.8,6.6,6.1,6,7,8.7,9.5,11.4
1969,13.5,15.3,13.5,10.7,8.8,6.9,7,7.4,6.5,9.2,10.9,10.8
1970,13.3,13.4,12.5,11.5,8.3,7.8,5.9,6.2,6.7,8.7,10.5,12.2
1971,15.3,15.3,14.2,11.9,9,6.8,6.3,5.6,6.8,8.6,9.8,11.8
1972,14.3,14.8,12,10.9,9.4,7.3,5.6,7.1,8.5,8.9,10.3,11.6
1973,13.8,15.1,12.2,11.5,9.3,6.8,7.4,6.6,8.2,9.7,10.7,11.7
1974,14,13.9,14.2,11.1,9.5,6.9,6,6,6.5,8.1,8.9,10.1
1975,11.1,14,13.2,11,9.5,7.4,7.9,7.4,8.7,9.8,11.7,13.6
1976,13.9,15.7,13.7,10.9,8.5,7.9,5.9,6.2,7.6,8.6,10.7,11.6
1977,13.7,14.6,13.2,10.3,8.7,7.1,5.9,7.7,7,9.9,10.1,11.9
1978,13,13.1,14,11.2,10.4,7.9,6,5.9,7.7,9.1,11,11.6
1979,14.6,14.7,13.8,10.4,8.6,8.4,6.5,6.8,7.7,9,11.3,11.6
1980,12.5,13.4,12.4,11.8,10.1,7.7,6.6,7.5,8.5,9.1,11.2,13
1981,15.7,16,13.4,12,9.8,7.4,6.5,7.3,8.9,9.5,10.9,12.7
1982,15,14.6,14.4,11.5,9,7.1,5.8,8.4,7.4,9.1,11.2,11.8
1983,11.9,15.2,14,10.1,9.7,7.1,6.4,7.7,7.8,9.5,10.8,12.5
1984,13.5,13.7,12.3,11.2,9.4,8.1,6.5,7.4,7.6,8.9,11.5,11.5
1985,12.5,13.5,13.9,12.6,9.9,6.9,6.4,6.9,7.8,9.5,11.7,13.4
1986,12.9,13.6,13.2,10.7,9.6,7.1,6.5,7.1,8,8.5,10.8,11.3
1987,12.1,12.6,11.4,11.5,9.3,7.7,5.9,6.9,8.3,8.7,11.1,11.9
1988,14.9,13.8,13.7,12.4,11.3,8.4,7.7,7.7,8.8,9.2,11.4,13.3
1989,14,15.3,14.8,12.8,10.5,7.4,6.8,6.5,8,8.8,11.6,12.8
1990,14.1,14.7,13.8,12.6,9.7,7.4,7.1,6.6,8.2,9.6,11.1,12.9
1991,14.6,13.4,12.6,10.5,9.5,9.2,7.5,6.2,7.7,9.9,10.3,12.2
1992,12.2,13.6,14,11,9.3,7.1,6.2,6.2,6.9,9.6,10.3,13.4
1993,14.3,14.4,13.4,12,9.3,7.6,7.5,7.9,8.5,9.1,10.3,11.8
1994,12.3,14.7,12.9,11.7,8.9,7.9,7,5.9,6.9,9,10.2,13.1
1995,14.8,14.8,12.7,8.9,9.1,7.7,5.8,7.3,6.9,8.9,10.4,10.7
1996,13.7,12.9,12.4,10,9.6,7.7,6.5,6.8,7.7,9.6,9.5,10.6
1997,14.4,15.7,12.4,10.5,9.2,7.7,6.2,6.5,8,9,10.8,12.1
1998,14.4,13.6,12.9,10.4,9.1,7.3,6.1,7.3,8.6,8.7,10.4,12.6
1999,14.8,15.1,13.2,10.4,9.7,8,7.5,7.8,8.9,10.3,10.4,12.9
2000,13.6,15.8,14,11.4,9.1,7.8,6.9,6.9,8.3,9,12.9,13
2001,15.5,15.9,13.3,11.3,9.6,9,8.3,7.4,9.3,9.6,10.5,11.3
2002,13.3,13.8,13.1,12.4,10,8.2,7.1,7.2,8.3,8.9,10.2,12
2003,13.8,14.9,13.3,11.6,9.7,8.1,6.8,6.8,7,8.1,11.2,13.5
2004,12.8,13.9,12.6,11.5,8.7,7.8,6.4,7.2,8.1,9.8,11.1,12.7
2005,14.2,13.2,12.5,12.7,9.5,8.4,8,7.6,8.2,10.5,12.4,12.1
2006,14.7,13.8,14,9.9,8.6,6.8,7.3,7.1,7,8.3,9.5,10.9
2007,13.8,15.7,13,11.8,10.7,7.4,6.7,7.7,7.5,8.7,11.5,13.1
2008,14.7,13.6,12.6,10.5,9.1,9.2,6.2,6.5,7.5,9.1,10.5,11.2
2009,12.6,14.1,12.4,10.4,9.1,7.6,7.2,7.9,8,8.8,12.4,12.1
