*Excludes Observations that spanned multiple years

Pre 197024
19702
19710
19721
19732
19749
19753
19762
19773
19781
19796
19802
198127
198211
19837
198411
198521
19864
19872
19883
19893
19905
19916
19927
199353
199427
1995102
199635
199758
199876
199932
200034
200148
200284
200361
2004126
2005113
2006111
2007152
2008195
2009134
201086
201186
2012106
2013113
201431
201529
201668
201735
201844
201967
202030
202131
202245
202330
Total2404