*Excludes Observations that spanned multiple years

Pre 197017
19701
19713
19721
19731
19740
19750
19764
197716
19783
19798
19803
19816
19821
19835
19844
198531
198610
198731
1988164
198920
199065
1991272
1992319
1993349
199466
1995266
1996103
1997151
199846
1999105
200071
2001152
200238
200379
2004145
200535
200684
2007113
2008159
2009167
2010153
2011132
2012127
2013209
2014172
2015154
2016250
2017232
2018277
2019319
2020139
2021173
2022231
2023174
20240
Total5856