*Excludes Observations that spanned multiple years

Pre 19704
19701
19713
19720
19730
19740
19752
19760
19770
19781
19793
19800
19810
19821
19830
19840
19851
19864
19870
198838
198913
199011
199126
199240
1993121
199414
1995105
199638
199756
199822
199937
200026
200153
200223
20036
200423
200510
200613
200710
200815
200911
201011
201112
20123
20137
201410
20150
201616
201711
201828
20195
202017
202117
202248
202326
202416
Total958