*Excludes Observations that spanned multiple years

Pre 19702
19700
19710
19720
19738
19743
19750
19760
19770
19781
19790
19800
19810
19820
19830
19840
19851
19860
19871
19881
19891
19900
19910
19920
19930
19940
19950
19960
19971
19983
19992
20000
20010
20020
20030
20040
20051
20060
20070
200841
200925
201078
2011126
2012165
201348
201460
2015182
2016221
201788
2018123
2019144
2020120
2021157
2022118
2023179
20243
Total1903