*Excludes Observations that spanned multiple years

Pre 19702
19700
19711
19720
19731
19741
19750
19760
19770
19785
19790
19801
19812
19822
19831
19842
19851
19860
19870
19881
19891
19905
19914
19920
19937
199416
199511
199613
199710
19980
19999
20000
20015
20021
20030
20040
20050
20060
20070
20082
20092
201026
201123
20120
20131
20143
20153
20168
201714
201831
201922
202027
20219
202217
202315
20241
Total306