*Excludes Observations that spanned multiple years

Pre 19701
19700
19711
19720
19730
19741
19751
19760
19770
19781
19791
19802
19810
19822
19831
19842
19859
19862
19875
19881
19897
19900
199128
199223
199357
19942
199535
19963
19972
19983
199911
20003
200139
200217
20030
200447
20054
20063
200731
200823
200942
20108
201126
201219
201326
201421
201518
201634
201799
2018149
201957
2020101
2021112
2022102
202365
20243
Total1250