*Excludes Observations that spanned multiple years

Pre 19703
19700
19710
19720
19730
19741
19750
19760
19770
19781
19791
19801
19810
19823
19832
19841
19854
19863
19872
19881
19892
19902
199113
19926
19935
19944
19954
19966
19972
19980
19992
20001
20014
20020
20035
20041
20052
20065
20071
20083
20097
201069
201169
20122
201323
201417
201545
201643
201740
201879
201960
202062
202162
202256
20238
20240
Total733