*Excludes Observations that spanned multiple years

Pre 19703
19700
19710
19721
19730
19740
19750
19761
19772
19783
19791
19801
19815
19822
19831
19841
19850
19862
19871
19881
19892
19903
19915
19926
19935
199422
199511
199656
199711
199818
199929
200046
200129
200263
2003550
2004529
2005278
2006222
2007153
2008278
20094431
2010201
2011369
2012307
2013206
2014266
2015345
2016248
2017372
2018221
2019196
2020269
2021179
2022914
2023193
202478
Total11136