*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
199354
199427
1995102
199635
199758
199877
199932
200034
200148
200284
200361
2004126
2005113
2006111
2007152
2008197
2009134
201086
201186
2012109
2013115
201432
201529
201678
201739
201859
201985
202048
202156
202272
202356
202422
Total2579