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