*Excludes Observations that spanned multiple years

Pre 19701
19700
19710
19720
19730
19740
19751
19760
19770
19780
19790
19801
19810
19821
19830
19840
19850
19860
19878
19881
19890
199015
199144
199237
199348
199425
199530
199650
199751
199841
199918
200012
200114
20025
200321
200431
200511
200622
200754
200870
200941
201030
201127
201241
201349
201434
201527
201620
201734
201828
201927
202020
202111
202221
202324
202420
Total1066