*Excludes Observations that spanned multiple years

Pre 197035
19701
19712
19721
19730
19741
19751
19760
19771
19780
19793
19801
19810
19821
19832
19841
19850
19860
19870
19880
19892
19901
19910
199214
19935
19941
19954
199612
19975
19980
19999
20001
20010
20020
20032
20040
20051
200620
200720
200812
200936
201039
201171
20128
20131
20140
20150
201620
201725
201811
2019104
202045
202195
202283
20230
20240
Total697