*Excludes Observations that spanned multiple years

Pre 197088
19704
19711
19723
19737
19745
19754
19764
19772
19783
19791
19808
19814
19822
19831
19840
19850
19861
19871
19881
19894
19903
19912
19924
19933
19942
19954
19965
199721
199811
199912
20008
20018
20024
20033
20044
200514
20069
20075
200818
200935
201028
201119
201235
201314
20147
20157
201613
20174
201816
201921
202028
202120
202224
202336
202433
Total624