*Excludes Observations that spanned multiple years

Pre 197025
19700
19710
19720
19730
19741
19751
19762
19772
19782
19791
19800
19810
19820
19832
19842
19851
19862
19872
19880
19892
19903
19912
19920
19932
19943
199518
199613
199714
19986
19993
20003
200148
20025
20037
20041
20053
20062
20076
20087
200914
201056
201173
201214
201312
201411
201562
201678
201741
201883
2019160
2020119
202113
202228
20236
20242
Total963