*Excludes Observations that spanned multiple years

Pre 19702
19700
19710
19720
19730
19741
19751
19760
19770
19780
19791
19802
19810
19821
19831
19841
19853
19865
19870
19882
19893
19907
19915
19925
19931
19943
199511
199614
19973
19980
19995
200012
20017
20026
20039
20046
200510
200615
200719
200812
200911
201020
201113
201214
201315
201417
20159
201619
201715
201811
20195
20207
20216
202210
20231
20240
Total346