*Excludes Observations that spanned multiple years

Pre 197016
19706
19717
197211
19734
19743
19759
19762
19773
19781
19796
198015
198123
19824
198324
198422
198524
19867
19878
198879
1989134
199031
199175
199265
1993107
1994163
1995153
1996116
1997161
1998101
1999395
200071
2001114
2002525
2003170
200413
20056
20065
20073
20083
20092
201010
201111
201217
20138
201410
201528
201673
201734
201833
201955
20206
202129
202224
20230
Total3025