*Excludes Observations that spanned multiple years

Pre 19701
19701
19711
19720
19730
19740
19750
19760
19770
19781
19792
19800
19810
19820
19830
19842
19851
19861
19870
19884
19891
19904
199116
199222
199319
199414
199522
19963
19976
19985
199912
200013
20015
200211
20038
20042
20051
20065
20074
200811
200916
20103
20114
20124
20134
20141
20154
20160
20179
201812
20197
20202
20212
202217
20230
20240
Total283