*Excludes Observations that spanned multiple years

Pre 197048
19702
19710
19720
19730
19743
19751
19763
19773
19783
19795
19805
19813
19825
19832
19844
19854
19862
19874
19882
19893
19903
199111
19924
199316
199425
1995124
1996117
1997127
1998128
199957
200058
200151
2002114
2003107
2004159
2005347
2006131
2007763
20081037
2009322
2010679
2011440
2012118
2013253
2014144
201515
2016161
20172
Total5615