*Excludes Observations that spanned multiple years

Pre 197043
19702
197111
19721
19732
19740
19751
19762
19779
19780
19791
19800
19815
19820
19835
19846
198571
1986131
1987194
1988407
1989361
199033
1991203
199273
1993422
1994819
1995412
1996345
1997233
199823
199953
200047
200160
200232
200396
200492
2005107
200679
200798
200885
200984
2010105
201189
2012101
2013120
201498
2015101
201679
201792
201836
201923
202029
202154
202231
202341
20245
Total5652