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*Excludes Observations that spanned multiple years

Pre 197054
19707
19711
19722
19731
19740
19750
19763
19771
19781
19790
19801
19810
19820
19830
19840
19850
19861
19870
19880
19896
19908
19915
19925
199317
199423
199522
19966
199711
199814
199911
20001
20016
20024
200342
200430
200545
200691
200735
2008140
2009141
2010101
201141
201293
2013147
2014205
201587
201647
201717
20184
201913
20200
20210
Total1490