*Excludes Observations that spanned multiple years

Pre 197013
19701
19711
19720
19732
19744
19755
19768
19775
19785
19792
19804
19811
19821
198312
19842
198518
198622
198729
1988116
198920
199059
1991191
1992295
1993234
1994168
1995235
1996137
199765
199875
199973
200047
2001127
200230
200395
2004126
200564
2006131
2007142
200885
2009103
2010129
2011225
201295
2013135
2014149
2015158
2016193
2017194
201895
2019245
2020119
2021129
2022160
2023122
20242
Total4903