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