YEAR	VALUE

1895	27.6
1896	36.01
1897	34.49
1898	36.11
1899	26.35
1900	31.57
1901	30.78
1902	32.45
1903	29.43
1904	32.54
1905	27.59
1906	34.4
1907	36.29
1908	33.9
1909	35.96
1910	30.26
1911	34.67
1912	32.15
1913	30.55
1914	30.76
1915	37.14
1916	34
1917	31.04
1918	34.91
1919	33.24
1920	34.56
1921	37.93
1922	32.89
1923	30.52
1924	36.15
1925	39.31
1926	38.71
1927	38.85
1928	35.38
1929	27.95
1930	41.14
1931	39.02
1932	37.74
1933	30.68
1934	35.31
1935	37.05
1936	26.2
1937	32.84
1938	37.07
1939	31.09
1940	34.97
1941	34.65
1942	31.91
1943	37.39
1944	35.74
1945	36.37
1946	36.03
1947	32.49
1948	32.71
1949	33.06
1950	36.63
1951	35.55
1952	36.62
1953	37.02
1954	42.39
1955	32.16
1956	33.26
1957	39.05
1958	33
1959	33.5
1960	31.66
1961	38.49
1962	35.97
1963	35.14
1964	32.86
1965	33.45
1966	32.26
1967	33.9
1968	33.92
1969	33.77
1970	36.33
1971	34.43
1972	34.47
1973	34.62
1974	35.73
1975	33.62
1976	40.45
1977	36.95
1978	28.79
1979	28.84
1980	33.6
1981	37.53
1982	33.29
1983	37.78
1984	38.27
1985	31.65
1986	36.69
1987	38.33
1988	34.36
1989	29.79
1990	37.55
1991	40.54
1992	40.53
1993	31.78
1994	32.64
1995	38.15
1996	36.34
1997	37.03
1998	39.78
1999	40.41
2000	40.46
2001	34.66