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*Excludes Observations that spanned multiple years

Pre 197036
19701
19714
197214
197323
197426
197529
197624
197727
197818
197920
198056
198149
198295
1983101
1984197
1985187
1986141
198778
1988118
1989286
1990334
1991256
1992350
1993643
1994695
1995587
1996359
1997385
1998458
1999672
2000604
2001969
20021164
2003702
2004983
2005716
2006876
2007995
20081062
20091153
20101062
2011718
2012865
2013463
2014430
2015520
2016186
201718
20181
20192
20209
20210
Total19767