*Excludes Observations that spanned multiple years

Pre 197031
19702
19712
19720
19732
19746
19751
19762
19770
19783
19790
19800
19810
19820
19837
19843
19854
19863
19871
19882
19894
19905
19913
19926
19935
19942
199526
199651
199740
199815
199915
200026
200126
200224
200330
200434
200531
200627
200724
200817
200928
201052
201135
201244
201329
201440
201542
201640
201725
201834
201936
202025
202126
202220
20232
20242
Total960