*Excludes Observations that spanned multiple years

Pre 19709
19700
19714
19720
19730
19740
19750
19760
19770
19780
19790
19800
19810
19822
19830
19840
19850
19862
198716
198822
19890
19901
199117
19925
199322
19940
199557
199627
199732
199822
199941
200051
200125
200216
20030
20040
20050
20060
20070
20082
20090
20102
20110
20120
20131
20140
20150
20161
20170
20180
20193
20201
20210
20221
20230
20240
Total382