*Excludes Observations that spanned multiple years

Pre 19703
19700
19711
19720
19730
19741
19751
19760
19770
19780
19790
19800
19810
19820
19830
19840
19850
19860
19870
19880
19894
199022
199117
199216
19936
19940
19958
199617
199743
19980
19992
20004
200114
20028
20031
20041
20051
20061
20070
20083
20091
201017
201123
201210
20135
20145
20151
20162
20170
20181
201914
20205
20215
20221
20231
20240
Total265