*Excludes Observations that spanned multiple years

Pre 19701
19701
19712
19723
19730
19742
19750
19760
19770
19780
19790
19800
19814
19821
19831
19843
19854
19861
19872
19886
19892
19902
19914
19926
19937
19946
19959
199613
199713
199811
199914
200018
200110
200222
200310
200410
200510
200620
200716
200813
200916
201013
201121
201217
201313
201416
201519
20160
20170
20180
Total362