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