*Excludes Observations that spanned multiple years

Pre 19703
19700
19710
19720
19730
19740
19750
19760
19770
19780
19790
19800
19810
19820
19830
19840
19850
19860
19870
19880
19890
19900
19910
19920
19930
19940
19950
19960
19971
19980
19991
200010
20010
20020
20030
20040
20050
20060
20070
20080
20090
201028
201148
20121
20131
201410
20155
201610
201722
201825
201943
202016
202139
202245
202353
20240
Total361