## Data sourced from
## http://www-rohan.sdsu.edu/~jmahaffy/courses/f00/math122/labs/labj/q3v1.htm
## Originally published in E. P. Odum (1953), Fundamentals of Ecology,
## Philadelphia, W. B. Saunders.
Year	 Hares	 Lynx
1900	30	4
1901	47.2	6.1
1902	70.2	9.8
1903	77.4	35.2
1904	36.3	59.4
1905	20.6	41.7
1906	18.1	19
1907	21.4	13
1908	22	8.3
1909	25.4	9.1
1910	27.1	7.4
1911	40.3	8
1912	57	12.3
1913	76.6	19.5
1914	52.3	45.7
1915	19.5	51.1
1916	11.2	29.7
1917	7.6	15.8
1918	14.6	9.7
1919	16.2	10.1
1920	24.7	8.6