*Excludes Observations that spanned multiple years

Pre 197045
19701
19710
19720
19730
19740
19751
19760
19772
19782
19791
19802
19811
19820
19830
19841
19850
19861
19871
19880
19890
19900
19911
19920
19935
19942
19951
19960
19970
19980
19993
20001
20011
20020
20030
20041
20051
20060
20071
20080
20091
20109
201113
20120
20133
20149
201518
201634
20178
20184
201911
202041
202154
202219
202312
20240
Total311