*Excludes Observations that spanned multiple years

Pre 197079
19700
19711
19720
19732
19740
19751
19761
19771
19780
19791
19800
19811
19827
19833
19842
19854
19869
198716
19888
19892
199039
199166
199233
199373
1994120
1995124
199661
199750
199830
199962
200030
200156
200278
200332
200435
200515
2006244
2007214
2008323
2009241
2010106
201142
201222
201339
201412
201515
201626
201773
201819
201940
202033
202119
20222
Total2512