*Excludes Observations that spanned multiple years

Pre 197014
19702
19719
19720
19731
19740
19750
197617
197724
19783
19792
19803
198123
19820
19831
19843
19858
198622
198712
1988120
198914
199027
1991205
1992244
1993208
1994133
1995159
1996114
1997104
199845
199981
200041
2001155
200263
200398
200478
200569
2006100
200731
200832
200945
2010220
2011168
201228
2013125
2014167
2015207
2016244
2017353
2018269
2019388
2020332
2021361
2022343
20236
20240
Total5521