*Excludes Observations that spanned multiple years

Pre 19702
19700
19713
19720
19730
19740
19751
19765
19770
19781
19791
19801
19812
19822
19831
19842
19851
19864
19876
19880
19895
19908
19915
19928
199323
199436
19956
19964
199730
19986
19994
200055
200116
20024
200317
20044
200515
20069
200712
200814
200946
201076
201198
201215
201352
201480
201566
2016119
2017160
2018107
2019147
20200
20210
20220
Total1279