*Excludes Observations that spanned multiple years

Pre 197070
19701
19715
19723
19731
19741
19753
19763
197724
19789
19798
19809
19811
19824
19834
198411
1985119
1986163
1987246
1988781
1989375
199098
1991350
1992238
1993561
19941440
1995729
1996540
1997593
1998104
1999160
200075
200186
200276
2003270
2004323
2005252
2006233
2007272
2008307
2009309
2010291
2011259
2012269
2013308
2014268
2015244
2016256
2017214
201859
201957
202046
2021110
202256
202319
20242
Total11315