*Excludes Observations that spanned multiple years

Pre 197024
19700
19710
19722
19731
19741
19755
19760
19771
19782
19792
19803
19812
19821
19831
19841
19851
19862
19870
19880
19893
19904
19916
19927
19935
19947
19955
19968
199711
19988
19997
20004
20012
20021
20031
20040
20050
20062
200712
2008102
2009682
201039
2011133
2012171
2013281
2014461
2015377
2016386
2017113
201841
201975
202052
202191
2022119
2023361
202412
Total3638