*Excludes Observations that spanned multiple years

Pre 197013
19700
19719
19721
19730
19742
19752
19762
19770
19780
19791
19801
19810
19820
19830
19843
198565
1986102
1987193
1988486
1989101
199025
1991243
1992119
1993634
1994341
1995317
1996218
1997182
199829
1999179
2000144
2001147
200259
200350
200478
200554
200636
200738
200837
200934
201054
201157
201267
201360
201462
201560
201655
201744
201815
201911
20205
20211
20220
Total4436