*Excludes Observations that spanned multiple years

Pre 1970326
197056
197143
197277
197397
1974157
197588
197667
197759
197868
197995
1980117
1981181
1982191
1983198
1984212
1985193
1986256
1987236
1988241
1989259
1990451
1991320
1992379
1993422
1994370
1995315
1996345
1997298
1998351
1999380
2000366
2001370
2002388
2003394
2004435
2005430
2006455
2007430
2008460
2009495
2010549
2011573
2012608
2013621
2014607
2015692
2016566
2017472
2018459
2019478
2020556
2021581
2022357
20233
20240
Total18193