*Excludes Observations that spanned multiple years

Pre 197013
19705
19711
19720
19731
19740
19750
19762
19771
19781
19791
19801
19810
19820
19830
19840
19850
19860
19870
19880
19895
19908
19910
19924
19936
19946
19951
19962
19974
199819
19992
20002
20018
20023
200352
200443
200531
200678
200720
2008114
2009142
201070
201128
201287
201396
2014111
201585
201658
201717
201811
20198
20200
20213
20221
20230
20241
Total1152