*Excludes Observations that spanned multiple years

Pre 197022
19701
19712
19720
19732
19741
19754
19761
19770
19780
19791
19801
19812
19820
19830
19840
19854
198614
19871
19882
19895
19902
199111
199216
19933
19943
19955
19961
199712
199835
199914
20001042
2001499
2002153
2003193
2004416
2005265
2006172
200790
2008222
2009631
2010459
2011981
2012645
2013275
20141041
2015701
20161241
2017277
2018151
2019182
2020289
2021385
2022252
2023441
202424
Total11192