*Excludes Observations that spanned multiple years

Pre 197096
19700
19711
19720
19730
19741
19751
19762
19771
19781
19790
19800
19810
19820
19830
19840
19850
19861
19870
19880
19890
19900
19912
19929
199319
19940
1995154
199655
1997103
19984
199962
20001
200113
20024
20030
20040
20050
20062
20070
20081
20090
20101
20112
20123
20132
20140
20150
20162
20170
20180
20190
20201
20211
20220
20230
20240
Total545