*Excludes Observations that spanned multiple years

Pre 19704
19700
19711
19723
19730
19744
19750
19760
19772
19780
19790
19801
19810
19820
19830
19840
19850
19860
19870
19880
19890
19902
19910
19921
19930
19941
19951
19961
19971
19981
199911
200019
200119
200217
200354
200452
2005117
2006152
200725
20081
200934
201084
201149
201241
201316
20147
201537
201627
20175
20185
20192
202015
202136
20220
20230
20240
Total848