*Excludes Observations that spanned multiple years

Pre 19702
19700
19711
19720
19730
19740
19750
19760
19770
19780
19790
19800
19810
19820
19830
19840
19850
19860
19870
19880
19892
19901
19910
19920
19930
19940
19951
19960
19970
19980
19991
20008
20010
20027
20030
20043
20051
20065
20070
20086
20093
20102
20116
20126
20130
20140
20150
201614
20172
20180
20191
20204
20210
20220
20230
20243
Total79