*Excludes Observations that spanned multiple years

Pre 19703
19700
19710
19720
19730
19740
19750
19760
19770
19782
19790
19800
19810
19823
19830
19840
19855
19863
19871
19889
19892
199015
19913
199216
19934
19948
19951
19967
19971
19982
19991
20005
20011
20020
20030
20044
20056
20060
20071
20081
20091
20100
20112
20129
20135
20141
20150
20160
20170
20180
20190
20200
20210
20221
20231
20240
Total124