*Excludes Observations that spanned multiple years

Pre 19701
19700
19711
19720
19730
19741
19750
19761
19770
19781
19790
19800
19810
19821
19830
19840
19850
19860
19870
19880
19891
19904
19911
19924
19931
19943
19952
19960
19970
19980
19990
20000
20011
20020
20031
200410
20050
20062
20073
20080
20098
20101
20115
20123
20132
20143
201518
20166
20172
20180
201960
20200
20210
20221
20230
20240
Total148