*Excludes Observations that spanned multiple years

Pre 19700
19700
19710
19720
19730
19740
19750
19760
19771
19780
19791
19800
19810
19820
19830
19840
19850
19860
19870
19884
19890
19900
19910
19922
19930
19940
19959
19961
19971
19980
19991
20000
20010
20020
20031
20040
20051
20064
20070
20081
20090
20100
20111
20121
20131
20144
20150
201632
2017120
201841
201937
202035
202132
202231
202313
202410
Total385