*Excludes Observations that spanned multiple years

Pre 19709
19700
19710
19720
19730
19740
19750
19762
19771
19780
19790
19800
19811
19821
19830
19840
19853
19860
19872
19880
19896
19904
19913
19921
19930
19940
199516
19962
19970
19980
19990
20000
20010
20020
20034
20045
20054
20065
20076
20089
20095
20106
20114
20124
20137
20142
201512
20169
201712
20183
20190
20203
20211
20221
20230
20240
Total153