*Excludes Observations that spanned multiple years

Pre 197045
19700
19710
19720
19730
19743
19750
19762
19774
19783
19791
19804
19812
19820
19831
19844
19851
19868
19872
19880
19890
19902
19911
19925
19931
19941
19951
19963
19978
19981
19991
20002
20011
20020
20030
20040
20051
20064
20073
20085
20098
201051
201116
20122
20136
201420
20154
201613
201714
201838
201936
202032
202169
202230
202352
20240
Total511