*Excludes Observations that spanned multiple years

Pre 197024
19701
19710
19720
19730
19741
19751
19760
19771
19789
19792
19800
19810
19822
198310
19843
19856
19863
19870
19880
19893
19905
19911
19923
19935
19941
19952
199610
19976
19986
19999
200017
200118
200211
200337
200429
200561
200682
200721
200810
200939
2010126
2011102
2012103
201383
201464
201570
201665
201757
201862
201957
202049
202153
202212
20232
20241
Total1345