*Excludes Observations that spanned multiple years

Pre 19704
19700
19711
19720
19730
19740
19750
19760
19770
19781
19790
19801
19810
19820
19830
19840
19850
19860
19870
19885
19890
19907
199163
199210
19932
19941
19952
19960
19971
19980
19990
20005
20011
20022
200315
20041
20050
20061
20070
200816
20095
20100
20111
20121
20130
20141
20150
20160
20172
20180
20190
20202
20212
20220
20231
20240
Total154