*Excludes Observations that spanned multiple years

Pre 19702
19701
19710
19720
19730
19740
19750
19768
19778
19781
19791
19802
198115
19820
19830
19841
19850
19860
19870
19883
19890
19900
19915
199233
199319
19947
199513
199618
199756
19980
19995
20002
200170
20022
200342
200462
200517
200664
200715
200819
200922
201021
201157
201222
201376
201489
201594
2016108
2017175
2018152
2019190
2020169
2021206
2022286
2023178
20243
Total2339