*Excludes Observations that spanned multiple years

Pre 197065
19702
19717
19724
19731
19740
19751
19761
19777
19788
19792
19804
19810
19824
19836
198411
1985180
1986205
1987232
1988870
1989228
1990109
1991381
1992193
1993479
19941023
1995746
1996455
1997517
199865
1999203
2000114
200193
200263
2003240
2004292
2005229
2006232
2007238
2008326
2009317
2010240
2011234
2012269
2013322
2014271
2015253
2016236
2017212
201895
201989
202033
2021198
202269
20239
20240
Total10683