*Excludes Observations that spanned multiple years

Pre 197044
19708
19710
19720
19730
19741
19753
19766
19779
19782
19790
19808
19812
19821
198316
19840
19850
19860
19870
19880
19890
19902
19911
19920
19931
19942
19952
19962
19972
19982
19992
20002
20013
20025
200311
200416
200519
20064
20073
20089
20099
20109
20112
20124
201313
20144
20151
20165
20171
20182
20192
20201
20212
20222
20231
20240
Total246