*Excludes Observations that spanned multiple years

Pre 19706
19702
19719
19720
19732
19740
19750
19762
19779
19780
19790
19800
19814
19820
19833
19846
198571
1986130
1987194
1988406
1989359
199032
1991202
199272
1993422
1994819
1995411
1996345
1997233
199823
199953
200046
200160
200230
200382
200479
200598
200670
200797
200875
200973
201091
201182
201297
2013114
201487
201586
201672
201788
201826
201912
202022
202144
202226
20231
Total5373