*Excludes Observations that spanned multiple years

Pre 197011
19701
19713
19720
19730
19740
19751
19760
19771
19780
19790
19800
19810
19820
19830
19840
198514
19868
198743
198898
198919
199027
199142
199239
199353
199423
199562
199631
199720
199810
199952
200044
200112
200213
20032
200412
20056
200612
200715
200813
200918
201011
201116
20128
201314
20149
201510
201624
201730
201843
201919
2020122
2021134
2022150
202357
Total1352