*Excludes Observations that spanned multiple years

Pre 19708
19700
19717
19720
19730
19740
19750
19761
19770
19780
19791
19801
19811
19822
19830
19844
198538
198654
1987102
1988209
198968
199026
1991115
1992129
1993229
1994295
1995258
1996182
1997145
199825
199951
200056
200175
200231
200356
2004107
200572
200635
200770
200865
200957
201060
201163
201276
201383
201491
201567
201669
201764
201832
2019105
202022
202184
202247
202337
20240
Total3475