*Excludes Observations that spanned multiple years

Pre 197024
19700
19710
19720
19730
19741
19751
19761
19770
19780
19792
19801
19811
19821
19831
19840
19850
19861
19872
19881
198937
19903
199114
19920
19932
19942
199516
199612
199733
199815
199966
200036
2001148
2002237
20031295
20041515
2005901
2006677
20071308
2008341
2009957
20101212
2011782
2012599
20131049
2014509
2015811
2016722
2017866
2018672
2019506
2020158
2021586
2022300
2023341
202468
Total16833