*Excludes Observations that spanned multiple years

Pre 19703
19700
19710
19720
19730
19742
19750
19763
19771
19782
19790
19801
19810
19820
19830
19840
19850
19860
19870
19880
19890
19900
19910
19921
19931
19940
199514
19960
19970
19980
19991
20000
20010
20020
20030
20040
20050
20060
20073
20087
20096
20100
20110
20120
20130
20140
20151
20160
20170
20180
20192
20200
20210
20220
20230
20240
Total48