1901,16.3,17.5,16.2,14.9,14.4,13.3,12.3,13,13.3,12.9,13.1,14.6
1902,16.1,16.4,16.3,15.1,14.5,13,13,12.2,13.1,12.7,13.6,15.2
1903,16.7,18.5,16.2,14.1,13.3,12.6,12.2,11.8,13,12.1,12.5,13.4
1904,15,16,15.7,14.2,13,13.1,11.3,12.1,12.6,12.3,13.1,14.6
1905,16.3,17.7,15.6,14.6,14.6,13.7,12.7,12.3,12.5,13.1,14,14.3
1906,17.3,18.3,17.1,15,13.9,11.2,12.2,12.1,12.4,12.2,14.2,14.5
1907,16.6,16.7,17.1,13.7,13.7,12.4,11.9,12,12.8,12.7,14,15.6
1908,17.2,17.1,16.8,14.2,14,13.1,11.1,10.8,12.1,11.1,12.9,14.8
1909,16.2,16.4,16.3,13.9,13.6,10.9,11.7,11.6,12.4,12.3,12.7,14.2
1910,15.5,16.6,15,14.9,12.9,13,12,12.2,12.3,11.9,13.5,14.1
1911,15.5,17.3,14.9,14.9,13.6,12.6,12.5,11.8,12.5,12.7,13.9,15.7
1912,17.7,18,17.1,14.3,14.3,13.4,11.9,12.3,12.5,12.2,12.3,14.4
1913,15,15.9,16,14.1,12.4,12.6,12.4,11.9,11.9,12.3,13.4,15
1914,16.2,17.6,17.1,15,15.1,12.6,12.6,12.4,11.9,12.2,12.8,15.4
1915,18.3,18.6,18.7,16.5,15.8,13.2,12.1,12.5,11.9,12.7,13.1,14.9
1916,16.7,16.7,16.1,14,13.5,12,10.5,11,12.4,12.1,12,14.2
1917,14.9,14.9,15.7,13.7,12.9,11.8,10.8,12.1,11,11.5,12.8,13.6
1918,15.9,17.5,16,13.6,13.8,12.9,11.8,12.9,12.5,12.4,14.7,17.2
1919,17.5,18.3,17.3,15.2,14.3,13.7,12.6,11.9,12.5,13.5,13.6,15.3
1920,16.8,17.4,16.7,15.2,13.7,12.8,12.4,11.5,12.6,11.9,13.8,15.4
1921,16.4,17.1,16.3,15.1,14.2,12.2,12.3,11.8,12.8,12.3,14.3,15.3
1922,16.8,17.6,16.6,15.8,14.3,12.8,13.3,11.9,13.2,12.6,14.1,14.6
1923,16,17.1,16.5,14.7,14.2,13.6,12.9,13,13.8,12.5,14.5,15.2
1924,17.8,17.3,16.7,15.3,14.2,13.3,12.4,12.1,12.6,12.7,13.2,14.8
1925,16.1,16.1,15.8,15.1,14.8,13.6,12.2,14,12.8,13.6,14.3,15.9
1926,18.4,18.4,17.2,15.7,14.4,13.8,12.4,13,13.9,15,16,16.9
1927,18,18.2,17.7,15,14.1,13.3,12.1,13,14.3,15.1,15.8,17.3
1928,18.3,19,17.2,15.5,15.3,13.5,12.3,13,13.9,14,16.1,16.9
1929,18.4,18.4,17.6,15.2,14.5,13.6,12.1,12.6,13.4,14,15.3,16.8
1930,17.2,17.6,16.5,14.7,13.9,13.3,12.5,12,12.3,14.5,15.9,18.1
1931,17.5,17.5,17.6,15.9,14.5,13.5,12.4,12.7,13.6,15,16.1,16.4
1932,17.5,17,16.4,14.3,15.4,14.3,13.6,13,13.6,13.5,13.7,15.2
1933,15.3,17.6,16.1,14.6,13.8,12.5,11.7,11.8,12.6,12.9,12.9,14.4
1934,16,15.9,16.5,13.5,14.5,13.6,12.7,12.1,12.8,14.3,14.9,16.7
1935,17.4,18,17.4,14.1,12.2,13.2,12.5,12.2,13.5,13,14,15
1936,15.7,18.4,16.8,15.4,13.9,12.3,12.5,11.9,12.9,14,15.4,16.4
1937,17.5,17.8,15.5,13.8,13.5,13,12.6,12.7,13.1,13.5,15.1,17.2
1938,15.7,17.4,16.8,13.4,12.9,12.4,11.4,11.5,12.4,12.8,14.5,15.4
1939,17.3,16.6,15.3,14.7,14.8,13.9,12.9,12.6,13.8,14.5,14.8,15.7
1940,16.1,17.3,16.7,15.7,13.9,13.3,12.7,12.6,13.9,14.7,14.9,15.9
1941,17.5,18.2,17.2,16.6,15.9,13.7,11.7,13,14.1,14.7,16.6,17.5
1942,17.9,17.4,15.4,13.4,15,13.5,11.9,12.5,12.8,13.2,14.3,14.5
1943,17.6,17.5,16.4,14.1,14.5,13.7,13.5,12.9,13.7,13.7,14.5,15.7
1944,17.3,17.5,15.7,15,14.9,12.4,13,13.3,14,13.6,14.3,15.7
1945,15.6,16.2,15.5,14.9,15.2,13.1,12.4,12.9,14.2,15.6,15.2,14.8
1946,16.9,17.4,16.2,14.1,13.4,12.3,12,12.3,13.3,13.2,14.3,14.9
1947,17.6,17.5,16.1,14.8,13.9,12.2,12.5,11.3,12.7,12.8,13.7,14.9
1948,15.9,16.2,15.5,12.9,14.5,13.7,11.9,12,12.6,13.8,14.1,15
1949,17.1,16.3,16,14.7,12.2,12.2,11.3,10.8,12,12.4,14.3,14.3
1950,15.9,15.7,14.4,13.5,12.7,11,11.9,12.2,13.6,13.6,14.3,15.9
1951,15.7,16.1,14.4,13.1,12.5,12.6,12.9,12.4,12.5,13.9,14.8,14.8
1952,16.5,17,16.5,13.8,13.2,11.4,10.7,11.3,12.5,12.7,13.1,14.5
1953,15.7,17.3,16,14.3,12.3,11.5,12,12.6,13.7,13.6,14.6,14.7
1954,15.9,17.5,15.8,12.2,12.2,11.1,10.8,11.4,11.2,12.3,13.5,15
1955,15.9,16,15.3,14.7,12.9,11.5,10.8,11.1,11.4,11.2,12.9,14
1956,14.8,15.2,15.6,12,11.8,11,10.6,11.6,12.2,12.4,12.9,14.1
1957,15.3,17.3,16.3,15.5,14.6,14.1,13.1,13.4,13.3,13.7,15.1,15.7
1958,17.2,18,16.6,14.5,14.7,13.8,12.3,12.2,12.3,13.3,14.5,15.2
1959,15.5,17.2,16.4,14.2,14.3,13.6,12,12.2,13,13.8,14.6,16
1960,16.4,16.9,15,14.1,14.2,12.3,12.4,12.5,12.8,12.7,14.2,15.5
1961,17.3,17.2,16.6,15.7,14.5,12.8,11.4,12.4,13,14.1,14.4,15.9
1962,17.6,17.6,16.7,16.1,15.3,12.7,12.6,13.4,14.1,14.5,14.1,16
1963,16.4,16.9,16.3,14.1,15.1,12.9,12.9,12.6,13.2,13.5,13.9,15.4
1964,16.2,16.5,15.9,14.1,11.8,11.1,11.1,11.6,12.9,13.4,15,15.3
1965,16,16.3,16.8,15.2,13.5,14.4,14,13.6,13.1,13.5,14.5,16
1966,16.2,16.7,16.5,13.3,13,11.9,11.5,11.5,12.7,13.8,14.7,15.3
1967,17.1,17.4,16.5,14.8,13.8,11.7,12.3,11.8,12.2,12.8,13.5,14.5
1968,16.6,17.2,16.1,13.1,12.4,11.9,12.1,12.4,13.1,13.7,14,15.4
1969,16,16.6,17.2,15.4,15.5,14,12.2,12.6,13.9,14.3,16,16.5
1970,16.7,17.3,16.8,15.5,13.7,13,10.7,11.6,12.8,13.1,14.8,14.7
1971,16.5,16.5,15.8,15.4,14.2,12,11.1,11.9,12.8,13.2,13.8,14.3
1972,18,17.4,16.4,14.4,14.7,14.2,13.9,14.3,14.1,14.7,15.6,17.1
1973,18.8,19.4,16.4,15,13.5,12,11.7,12.2,12.4,13.1,14.5,14.4
1974,17.3,17.3,15.8,14.8,13.7,13.6,12.6,12.2,12.4,12.7,14,14.6
1975,16.4,16,16.1,14.4,13.2,12.2,11.3,11.7,12.4,12.7,13.5,16
1976,16.1,16.5,15.9,14.7,14.3,14.1,13.7,13.2,13.3,13.7,14.4,16.2
1977,17.2,17,16.9,14.5,13.6,13.1,12.4,12.1,13.5,13.9,14.9,15.5
1978,16.4,17.2,15.8,15.8,13.8,12.7,12.3,12.8,12.8,13.5,14.8,15.2
1979,16.7,16.1,15.9,14.6,13.6,13.5,13.1,13.1,13.4,13.9,14.4,15.4
1980,17,17,17.3,15.9,14,13.3,13.9,12.5,13,13.3,13,15.7
1981,16.5,16.8,17.1,15.9,13.9,13,11.3,12.5,13,12.8,14.2,16
1982,16.7,16.6,15.2,14.8,14.2,12.5,12.9,13.1,14,14.9,14.4,17.8
1983,19.1,18.9,18.8,17.9,14.6,12.7,15.1,14.9,13.8,14,15.4,16
1984,16.5,17,16.4,15.3,14.4,13.3,12.2,13.4,13.4,15.1,14.6,15.8
1985,16,16.6,16.7,15.2,13.7,13.6,11.9,11.7,13.6,14.1,14.2,15.9
1986,16.7,16.8,15.7,14.9,14.1,11.7,11.4,12.8,13.3,13.1,14.4,16
1987,18,18.6,18.3,16.2,14.2,14.6,13.5,14.1,13.5,14.4,16,16.8
1988,17.6,16.8,17,15.8,14.1,11.7,12,12.2,13.2,12.9,14.5,15.6
1989,16.2,18,16.7,16,12.9,13.2,12.8,12.9,12.8,13.9,14.6,15.3
1990,17.1,16.8,17.1,15.4,13.8,12.8,12.3,12.7,13.6,14,14.5,16.1
1991,16.7,16.8,17,15.5,14.7,13.5,13.1,11.5,13.4,12.6,14.5,15.4
1992,17.9,17.2,17.9,16.2,14.4,12.9,11.5,12.1,12.3,13.7,14.2,16.3
1993,17.2,16.2,16.2,15.4,13.4,13,11.7,13.2,12.3,14,13.9,15.2
1994,16.3,16.7,16.3,14.8,14.4,12.8,11.4,11.9,13.2,12.7,14.8,16.1
1995,16.9,17.2,17.2,15.3,14.5,13.4,11.9,12.8,13.3,13.4,13.9,14.9
1996,15.8,16.4,15.7,14.9,13.6,12.8,11.5,12.2,13.1,13.4,14.2,15.2
1997,16.9,17.2,16.6,16.8,15.2,16.3,13.5,13.9,13.6,13.8,14.6,17.1
1998,18.7,19.4,18.7,16.7,15.2,14.3,13.5,12.3,12.7,13.8,14.2,15.1
1999,16.3,16.1,15.9,15.2,13.1,12,11.8,12.5,12.3,13.2,13.4,14.6
2000,15,16,15.6,14.6,13.3,12.5,11.7,12.8,12.3,13.7,13.5,15.4
2001,16.3,16.9,16,15,13.7,12.6,11.6,12.6,12.3,13.3,14.1,16.1
2002,16.8,17,16.9,15.1,14.5,13.3,12.3,13.4,13.2,14.3,14.7,16.1
2003,17.7,18,16.8,16,15.2,13.4,12.1,13.3,13.2,13.4,14.5,15.5
2004,16.5,18.1,18.1,15.3,14.1,13.6,12.1,13.2,13.8,14.4,15.3,15.5
2005,17.6,18.6,17.4,16.1,14.9,12.8,12.5,12.7,12.5,13.2,14,15.2
2006,17,17.7,16.9,14,13.9,13.4,13.1,13.1,14.5,15.2,14.7,15.2
2007,17.9,18,17.1,14.7,14.1,13.5,12.1,11.4,12.5,13,14.4,14.7
2008,16.2,16.4,15.9,13.1,12.8,12,12,12.3,11.7,13.5,14.2,15.1
2009,16.7,17,16.6,15.5,13.7,12.7,13.6,12.8,12.1,14.2,14.7,15.7
