StrainB	Strain13	Year
2.68	2.36	1916
2.6	2.41	1917
2.43	2.39	1918
2.9	2.85	1919
2.94	2.82	1920
2.7	2.73	1921
2.68	2.58	1922
2.98	2.89	1923
2.85	2.78	1924