*Excludes Observations that spanned multiple years

Pre 19703
19701
19710
19720
19730
19740
19750
19760
19771
19781
19790
19800
19810
19820
19830
19840
19850
19860
19870
19880
19895
19900
19917
199217
199316
19944
19957
19962
19974
19980
19991
20002
20010
20025
20033
20041
20052
20062
20078
20083
20091
20100
20111
20126
20131
20140
20152
20163
20173
20184
20192
20207
20213
20226
202327
202421
Total182