Year	ak031	cana002	cana036	ak032	ak033	cana157	cana156	cana153
1970	1.27	0.61400002	1.376	1.105	0.78299999	0.99900001	0.98400003	1.359
1971	1.409	0.46000001	1.554	1.4119999	1.048	1.4220001	1.035	1.303
1972	1.257	0.83399999	1.4630001	1.388	1.0470001	1.222	1.262	1.388
1973	1.107	0.56199998	1.618	1.197	0.82300001	1.071	0.977	1.46
1974	1.133	1.104	1.483	1.1440001	0.949	1.135	0.97899997	1.6289999
1975	0.93199998	1.104	1.743	1.3660001	1.036	1.224	0.55800003	1.613
1976	1.161	1.104	1.577	1.3660001	0.88800001	1.224	0.796	1.176
1977	1.585	1.104	1.5829999	1.3660001	1.119	1.224	0.99900001	1.573
1978	1.585	1.104	1.851	1.3660001	1.0470001	1.224	0.92699999	1.573
1979	1.585	1.104	1.618	1.3660001	0.79699999	1.224	0.95300001	1.573
1980	1.585	1.104	2.204	1.3660001	0.79699999	1.224	0.92799997	1.573