*Excludes Observations that spanned multiple years

Pre 197013
19700
19710
19720
19730
19740
19750
19760
19770
19780
19790
19804
19810
19820
19830
19840
19850
19860
19871
19882
19890
19901
19910
19920
19930
19940
19950
19961
19972
19982
19992
20000
20012
20021
20033
20042
20051
20066
20073
20081
20098
201036
201134
201221
201314
201416
201517
201619
201719
201818
201924
202014
20216
20225
20230
20240
Total298