*Excludes Observations that spanned multiple years

Pre 197010
19700
19710
19720
19731
19740
19750
19761
19770
19780
19790
19800
19810
19824
19830
19841
19854
198612
19877
198817
19893
199017
199124
199236
199331
199410
199544
19969
19974
19982
199929
200038
200112
20025
200315
200423
200528
200623
200735
200829
200939
201045
201125
201228
201328
201424
201532
201628
201733
201834
201920
202014
202115
202218
20231
20240
Total858