*Excludes Observations that spanned multiple years

Pre 19702
19700
19710
19720
19730
19740
19750
19760
19773
19780
19791
19800
19814
19820
19830
19841
19850
19867
19870
19888
198917
19901
19918
19920
19934
19940
19952
19963
19973
19980
19991
20001
20012
20023
20030
20040
20050
20063
20070
20081
20092
20101
201140
20123
201316
20141
20151
20164
201716
201839
201926
202042
202145
202216
202339
202416
Total382