*Excludes Observations that spanned multiple years

Pre 1970115
19703
19717
19723
19732
19742
19752
197616
19779
19783
19795
19806
198110
19821
198313
19843
19855
198630
19874
19889
198918
19907
199159
199243
199337
199463
199576
199616
199738
199881
199939
200011
2001148
200291
200399
2004340
200575
2006327
2007836
2008339
2009429
2010411
2011564
2012284
2013159
2014245
2015516
2016331
2017629
20181062
2019475
2020796
2021873
20221049
20231370
20241518
202521
Total13723