*Excludes Observations that spanned multiple years

Pre 197040
19701
19710
19720
19731
19741
19750
19762
19772
19783
19793
19801
19812
19821
19834
19840
19853
19869
198713
19888
19898
19905
199110
199214
199313
199416
199526
199638
199748
199812
199940
20001044
2001463
200224
200372
2004254
2005166
2006337
200781
2008181
2009170
2010302
2011327
2012146
2013130
2014200
2015309
20161099
2017144
2018120
201995
202082
2021138
2022180
2023376
202416
Total6780