*Excludes Observations that spanned multiple years

Pre 197024
19700
19710
19720
19730
19743
19750
19760
19770
19780
19791
19803
19812
19820
19830
19841
19853
19862
19873
19880
19890
19903
19913
19920
19931
19941
19950
19961
19978
19982
199911
200017
200131
200215
200337
200445
200558
200680
200722
20087
20096
201018
20113
201232
201315
20144
201531
201628
20176
201810
20192
202012
202111
20223
20230
20240
Total565