*Excludes Observations that spanned multiple years

Pre 19703
19700
19710
19720
19731
19742
19750
19760
19770
19780
19790
19800
19810
19820
19830
19840
19851
19860
19870
19881
19890
19902
19913
19925
19930
19942
199516
19963
19976
19980
19993
20005
20010
20021
20032
20040
20052
20060
20071
20080
20094
20107
20113
201217
201326
20142
20151
20163
20174
201813
201924
202010
202117
20229
202313
20248
Total220