*Excludes Observations that spanned multiple years

Pre 19704
19700
19710
19720
19731
19740
19750
19760
19770
19780
19790
19800
19810
19821
19830
19840
19851
19860
19870
19883
19893
19900
19910
19920
19933
19942
199532
19960
19973
199812
19995
200023
20012
20023
20030
20041
20050
20060
20070
20081
20092
20100
20110
20120
20130
20140
20150
20162
20170
20182
20191
20203
20217
202211
202326
202413
Total167