*Excludes Observations that spanned multiple years

Pre 19705
19700
19713
19720
19730
19740
19753
19760
19771
19780
19790
19800
19812
19820
19830
19842
19850
19860
19870
19882
19891
19904
19911
19927
19930
19942
19951
19964
19970
19980
19990
20003
20014
20020
200342
200424
20058
20066
20070
200825
200913
20100
20110
20123
20131
20140
20151
20160
20170
20180
20192
20203
20210
20221
20231
20240
Total175