*Excludes Observations that spanned multiple years

Pre 197058
19702
19717
19727
197311
197428
197534
197638
197723
197811
197914
198013
198114
19826
198311
198411
198526
198615
198713
19884
19895
199013
199173
199259
199341
199428
199528
199657
199750
199846
199938
200077
200174
200279
200363
200455
200555
200672
2007109
2008120
2009140
2010148
201122
201223
20138
20145
20159
20168
20172
Total1853