Year	Spots
1749	80.9
1750	83.4
1751	47.7
1752	47.8
1753	30.7
1754	12.2
1755	9.6
1756	10.2
1757	32.4
1758	47.6
1759	54
1760	62.9
1761	85.9
1762	61.2
1763	45.1
1764	36.4
1765	20.9
1766	11.4
1767	37.8
1768	69.8
1769	106.1
1770	100.8
1771	81.6
1772	66.5
1773	34.8
1774	30.6
1775	7
1776	19.8
1777	92.5
1778	154.4
1779	125.9
1780	84.8
1781	68.1
1782	38.5
1783	22.8
1784	10.2
1785	24.1
1786	82.9
1787	132
1788	130.9
1789	118.1
1790	89.9
1791	66.6
1792	60
1793	46.9
1794	41
1795	21
1796	16
1797	6.4
1798	4.1
1799	6.8
1800	14.5
1801	34
1802	45
1803	43.1
1804	47.5
1805	42.2
1806	28.1
1807	10.1
1808	8.1
1809	2.5
1810	0
1811	1.4
1812	5
1813	12.2
1814	13.9
1815	35.4
1816	45.8
1817	41.1
1818	30.4
1819	23.9
1820	15.7
1821	6.6
1822	4
1823	1.8
1824	8.5
1825	16.6
1826	36.3
1827	49.7
1828	62.5
1829	67
1830	71
1831	47.8
1832	27.5
1833	8.5
1834	13.2
1835	56.9
1836	121.5
1837	138.3
1838	103.2
1839	85.8
1840	63.2
1841	36.8
1842	24.2
1843	10.7
1844	15
1845	40.1
1846	61.5
1847	98.5
1848	124.3
1849	95.9
1850	66.5
1851	64.5
1852	54.2
1853	39
1854	20.6
1855	6.7
1856	4.3
1857	22.8
1858	54.8
1859	93.8
1860	95.7
1861	77.2
1862	59.1
1863	44
1864	47
1865	30.5
1866	16.3
1867	7.3
1868	37.3
1869	73.9
1870	139.1
1871	111.2
1872	101.7
1873	66.3
1874	44.7
1875	17.1
1876	11.3
1877	12.3
1878	3.4
1879	6
1880	32.3
1881	54.3
1882	59.7
1883	63.7
1884	63.5
1885	52.2
1886	25.4
1887	13.1
1888	6.8
1889	6.3
1890	7.1
1891	35.6
1892	73
1893	84.9
1894	78
1895	64
1896	41.8
1897	26.2
1898	26.7
1899	12.1
1900	9.5
1901	2.7
1902	5
1903	24.4
1904	42
1905	63.5
1906	53.8
1907	62
1908	48.5
1909	43.9
1910	18.6
1911	5.7
1912	3.6
1913	1.4
1914	9.6
1915	47.4
1916	57.1
1917	103.9
1918	80.6
1919	63.6
1920	37.6
1921	26.1
1922	14.2
1923	5.8
1924	16.7
1925	44.3
1926	63.9
1927	69
1928	77.8
1929	65
1930	35.7
1931	21.2
1932	11.1
1933	5.7
1934	8.7
1935	36.1
1936	80.4
1937	114.4
1938	109.6
1939	88.8
1940	67.8
1941	47.5
1942	30.6
1943	16.3
1944	9.6
1945	33.2
1946	92.6
1947	151.6
1948	136.3
1949	134.7
1950	83.9
1951	69.4
1952	31.5
1953	13.9
1954	4.4
1955	38
1956	141.7
1957	190.2
1958	184.8
1959	159
1960	112.3
1961	53.9
1962	37.5
1963	27.9