*Excludes Observations that spanned multiple years

Pre 197033
19705
197111
19723
19737
197426
197532
197619
197710
197814
197912
19808
19817
19827
198315
198430
198518
198610
198710
198810
198910
199023
19919
199215
199321
199414
1995141
1996133
199783
199837
199944
200030
200137
200233
200328
200429
200525
200629
200738
200867
200975
201079
201174
2012108
2013114
2014107
2015141
2016155
201795
201855
201983
202087
202190
202254
20238
20243
Total2461