*Excludes Observations that spanned multiple years

Pre 197043
19701
19710
19720
19730
19740
19750
19762
19775
19781
19790
19800
19810
19820
19830
19841
19856
198614
198753
198826
198939
19901
199132
199218
199318
199471
199566
199615
199716
199811
199929
200031
200124
200215
200311
200410
200514
20068
200710
20086
200911
201025
201119
201214
201316
20149
201521
201612
201711
20184
201914
20205
20216
202212
202312
202410
Total798