*Excludes Observations that spanned multiple years

Pre 19705
19700
19711
19720
19730
19740
19751
19760
19770
19780
19790
19800
19810
19820
19830
19840
19850
19860
19870
19880
19896
19906
19915
19925
19934
19944
19954
19967
19973
19984
199927
200064
200143
200221
200340
200426
200531
200619
200726
200829
200927
201030
201133
201239
201329
201421
201542
201631
201724
201812
201912
202014
202131
202210
20237
20245
Total748