Year,Value,NumPoints
1837,-16.099,294
1838,-16.034,294
1839,-16.6787,294
1840,-16.0674,294
1841,-15.5913,294
1842,-16.0189,294
1843,-16.1913,294
1844,-16.8628,294
1845,-19.1087,294
1846,-17.0212,294
1847,-17.1264,294
1848,-18.2185,294
1849,-15.4274,294
1850,-17.369,294
1851,-16.6227,294
1852,-14.4903,294
1853,-17.3237,294
1854,-16.3,294
1855,-14.2878,294
1856,-15.996,294
1857,-16.8897,294
1858,-16.1903,294
1859,-18.0113,294
1860,-18.0142,294
1861,-16.0784,294
1862,-17.1533,294
1863,-16.1937,294
1864,-15.5748,294
1865,-15.8773,294
1866,-15.025,294
1867,-15.809,294
1868,-15.76,294
1869,-16.1379,294
1870,-15.617,294
1871,-19.1989,294
1872,-18.7351,294
1873,-18.4003,294
1874,-17.5524,294
1875,-16.9038,294
1876,-19.7318,294
1877,-18.4493,294
1878,-17.5165,294
1879,-16.422,294
1880,-19.3146,294
1881,-15.5331,294
1882,-18.0342,294
1883,-14.8452,294
1884,-17.9723,294
1885,-17.1307,294
1886,-19.3889,294
1887,-19.8187,294
1888,-18.1749,294
1889,-12.6256,294
1890,-17.0669,294
1891,-17.0866,294
1892,-16.361,294
1893,-17.0721,294
1894,-19.9813,294
1895,-15.6116,294
1896,-16.9611,294
1897,-16.315,294
1898,-16.1223,294
1899,-16.5213,294
1900,-17.7366,294
1901,-19.2637,294
1902,-14.6944,294
1903,-18.8574,294
1904,-19.752,294
1905,-16.3386,294
1906,-17.5626,294
1907,-17.5112,294
1908,-15.5662,294
1909,-17.8704,294
1910,-17.4179,294
1911,-17.4951,294
1912,-15.4253,294
1913,-15.8877,294
1914,-16.4535,294
1915,-14.7628,294
1916,-17.0022,294
1917,-18.1056,294
1918,-19.5093,294
1919,-16.921,294
1920,-15.2289,294
1921,-18.3078,294
1922,-13.6536,294
1923,-15.7321,294
1924,-18.1644,294
1925,-18.8892,294
1926,-16.126,294
1927,-14.9878,294
1928,-12.3028,294
1929,-12.3676,294
1930,-16.0471,294
1931,-13.8025,294
1932,-18.2702,294
1933,-17.0178,294
1934,-17.6503,294
1935,-14.2636,294
1936,-17.6707,294
1937,-15.024,294
1938,-17.6681,294
1939,-16.1362,294
1940,-14.0518,294
1941,-14.8565,294
1942,-11.7545,294
1943,-19.2342,294
1944,-14.1634,294
1945,-12.9329,294
1946,-15.4799,294
1947,-19.6493,294
1948,-15.8106,294
1949,-18.5907,294
1950,-18.608,294
1951,-18.4172,294
1952,-18.4286,294
1953,-18.1411,294
1954,-18.337,294
1955,-17.9474,294
1956,-19.9478,294
1957,-16.5044,294
1958,-17.0055,294
1959,-15.7634,294
1960,-15.4837,294
1961,-14.6767,294
1962,-16.6999,294
1963,-13.9495,294
1964,-15.3608,294
1965,-20.4616,294
1966,-17.4534,294
1967,-16.3918,294
1968,-15.9562,294
1969,-18.3441,294
1970,-14.5277,294
1971,-19.4488,294
1972,-18.3516,294
1973,-16.7776,294
1974,-18.6929,294
1975,-18.9389,294
1976,-18.5513,294
1977,-11.8618,294
1978,-13.1651,294
1979,-16.0282,294
1980,-16.9615,294
1981,-14.284,294
1982,-17.5452,294
1983,-15.8747,294
1984,-16.8343,294
1985,-13.6155,294
1986,-12.4515,294
1987,-12.6385,294
1988,-14.5859,294
1989,-15.2645,294
1990,-18.1548,294
1991,-16.3666,294
1992,-16.4085,294
1993,-15.0481,294
1994,-14.8029,294
1995,-15.5585,294
1996,-16.1448,294
1997,-15.1487,294
1998,-16.5117,294
1999,-18.8937,294
2000,-16.1928,294
2001,-10.8773,294
2002,-15.9691,294
2003,-12.0941,294
2004,-16.5669,294
2005,-14.7874,294
2006,-15.1846,294
2007,-15.1992,294
2008,-16.9648,294
2009,-16.4094,294
2010,-13.9976,294
2011,-15.9654,294
2012,-17.0666,294
2013,-15.2972,294
2014,-12.6973,294
2015,-12.7189,294