*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
199260
199343
199429
199530
199659
199751
199846
199938
200077
200176
200281
200367
200455
200555
200672
2007109
2008120
2009152
2010149
201126
201227
201332
201421
201525
201622
20178
20185
201912
20204
20211
Total1989