*Excludes Observations that spanned multiple years

Pre 197059
197020
197110
197224
197311
197426
197583
197684
197778
197881
1979100
198090
1981108
1982177
1983209
1984216
1985195
1986219
1987219
1988195
1989193
1990123
1991195
1992183
1993251
1994247
1995274
1996297
1997310
1998333
1999557
2000456
2001480
2002395
2003432
2004482
2005423
2006381
20071197
2008723
2009989
20101029
2011754
2012871
2013780
201426
20150
20161
20170
Total14586