*Excludes Observations that spanned multiple years

Pre 19701
19700
19710
19723
19730
19740
19750
19760
19770
19780
19790
19800
19810
19820
19830
19840
19850
19860
19870
19880
19890
19900
19911
19920
19930
19940
19952
19960
19970
19980
19990
20000
20010
20020
200312
20040
20050
20063
20072
20083
20092
20107
20114
20120
20130
20140
20150
20160
20170
20181
20191
20202
20210
20220
20231
20240
Total45