*Excludes Observations that spanned multiple years

Pre 19701
19701
19711
19720
19731
19741
19752
19765
19777
19780
19792
19802
19818
19822
19830
19842
198511
198613
19875
198842
19890
19900
199183
199283
199365
199413
199558
199613
199736
199818
199912
200018
200152
200220
200326
200454
20058
20066
20077
20088
20095
20104
201114
20128
201330
201437
201544
201665
201778
2018103
2019195
2020149
2021168
2022180
202315
20241
Total1782