year	lakelev	sunspt
1902	-10	5
1903	13	24
1904	18	42
1905	15	63
1906	29	54
1907	21	62
1908	10	49
1909	8	44
1910	1	19
1911	-7	6
1912	-11	4
1913	-3	1
1914	-2	10
1915	4	47
1916	15	57
1917	35	104
1918	27	81
1919	8	64
1920	3	38
1921	-5	25