*Excludes Observations that spanned multiple years

Pre 197075
19701
19710
19720
19730
19741
19758
197610
19770
197812
19790
19800
19812
19822
19836
19847
19853
19865
19873
19885
19893
19903
19911
19925
19935
199410
199513
199636
199784
199871
1999102
2000110
200166
200251
2003124
200490
2005167
2006174
200765
200870
2009130
2010192
2011129
201260
201341
201451
201567
201617
20170
20180
20190
20200
20210
20220
Total2077