*Excludes Observations that spanned multiple years

Pre 197027
19706
19711
19722
19732
19740
19750
19763
19773
19784
19790
19802
19810
19820
19830
19840
19850
19861
19870
19880
19895
19906
19910
19924
19937
19941
19951
19961
19971
19987
19996
20000
20011
20021
200310
20044
200527
200638
20077
200819
200923
20103
20116
20129
20134
201411
201510
201616
20173
Total282