*Excludes Observations that spanned multiple years

Pre 197016
19701
19711
19720
19730
19741
19753
19763
19771
19782
19790
19801
19812
19820
19833
19840
19850
19860
19870
19880
198943
19908
19919
19920
19932
19940
19959
19962
19974
19987
199942
20004
200115
200299
2003827
2004666
2005341
200640
200732
200861
2009204
201014
2011697
2012211
2013434
201488
2015201
2016291
2017736
2018749
2019309
2020387
2021109
2022137
2023116
20247
Total6935