*Excludes Observations that spanned multiple years

Pre 19702
19700
19710
19720
19731
19740
19750
19761
19770
19781
19792
19801
19811
19822
19830
19842
19850
19860
19870
19880
19890
19902
19914
19923
19932
19940
19958
19968
19975
19981
19996
20001
200116
200210
20031
20041
20051
20063
20078
200816
200923
201038
201138
20124
201337
201410
201514
201630
201723
2018111
2019111
2020108
202134
202255
20239
20240
Total754