*Excludes Observations that spanned multiple years

Pre 19702
19700
19711
19720
19730
19740
19750
19760
19770
19780
19790
19800
19810
19820
19830
19840
19850
19860
19872
19880
19892
19900
19911
19922
19933
19940
19952
19961
19972
19980
19990
20000
20010
20024
20030
20041
20050
20060
20070
20080
20090
20100
20110
20120
20131
20141
20150
20160
20172
20185
20196
202016
20217
20227
202322
20242
Total92