*Excludes Observations that spanned multiple years

Pre 197012
19701
19714
19729
19732
19746
19754
19768
19775
19785
197910
198012
198113
19829
198317
198423
198521
198640
198742
198851
198938
199046
199146
199264
199357
199447
199561
199679
199767
199872
199978
200077
200185
200274
200399
200492
2005109
2006107
2007112
2008112
2009103
2010149
2011193
2012234
2013195
2014200
2015194
2016200
2017180
2018185
2019170
2020158
2021148
202289
20230
20241
Total4215