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*Excludes Observations that spanned multiple years

Pre 197027
19707
19714
19722
19730
19748
197515
19766
19773
19785
197910
19805
19813
19824
19839
198418
198527
198623
198725
198824
198921
199017
199118
199248
199330
199442
199549
199641
199775
199861
199990
200072
200193
200253
200376
200468
200561
2006119
2007141
2008127
200999
2010133
2011114
2012111
201385
201496
2015105
201644
20171
20180
20190
20200
20210
Total2315