*Excludes Observations that spanned multiple years

Pre 19700
19700
19710
19720
19730
19740
19751
19760
19770
19780
19791
19802
19812
19820
19831
19841
19851
19860
19873
19886
19890
19900
199115
199225
199313
19941
19950
19961
199739
19982
19996
20000
200158
20023
200338
20042
20052
20063
20071
20083
20090
201013
201125
20125
201317
201433
201558
201660
201777
201863
2019132
2020111
2021108
2022105
20232
20240
Total1039