*Excludes Observations that spanned multiple years

Pre 1970264
197015
19715
19722
19735
19743
19755
19763
19774
19783
197914
19807
19811
19824
19837
19842
19851
19860
19870
19881
19891
19900
19911
199220
199330
199417
19959
19964
19973
199811
19998
20006
20013
200239
200325
2004182
2005126
2006178
200718
200856
200995
201067
201160
201225
20131
20147
20155
201622
201710
20182
20190
20200
20210
Total1377