*Excludes Observations that spanned multiple years

Pre 19704
19700
19710
19720
19730
19740
19751
19760
19771
19781
19792
19801
19811
19820
19831
19840
19851
19860
19872
19881
19890
19903
19915
199219
199312
19948
19955
19963
19976
19985
19991
20000
20012
20021
20031
20041
20050
20064
20075
20083
20095
20103
20117
20123
201310
20146
20155
20166
201718
201816
201922
20205
202113
202217
20234
20242
Total242