*Excludes Observations that spanned multiple years

Pre 19701
19700
19711
19720
19730
19740
19750
19760
19770
19780
19790
19800
19810
19820
19830
19840
19857
19867
198762
198885
198937
19906
1991160
1992139
1993198
199438
1995242
1996107
199775
199826
199936
200010
200160
200225
200332
200431
200526
200631
200739
200827
200926
201036
201143
201237
201340
201422
201523
201630
201729
201831
201950
202023
202132
202221
20236
20241
Total1958