*Excludes Observations that spanned multiple years

Pre 19705
19700
19711
19720
19731
19740
19750
19763
19770
19780
19790
19801
19810
19820
19832
19840
19850
19860
19870
19881
19890
19900
199124
19926
199317
199410
19959
19965
19970
19982
19990
20000
20013
20020
20030
20041
20052
20063
20072
20088
200910
20107
20111
20121
20130
20143
20153
20162
20179
20180
20195
202011
20215
20220
20232
20240
Total165