*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
19904
19915
19927
199353
199427
1995101
199635
199758
199876
199932
200034
200148
200284
200361
2004123
2005113
2006109
2007152
2008195
2009133
201084
201179
2012103
2013104
201420
201519
201618
20177
Total2028