*Excludes Observations that spanned multiple years

Pre 197019
19700
19710
19720
19730
19740
19752
19763
19773
19783
19795
19800
19810
19822
19832
19840
19858
19868
19876
19886
198912
199010
19919
19927
19935
19945
199510
199614
19973
19983
19997
20007
200110
20027
20039
20048
200510
200623
200722
200814
200933
201086
2011106
2012112
201393
201488
201589
2016104
201799
201886
201966
202077
202166
202212
20230
20241
Total1380