*Excludes Observations that spanned multiple years

Pre 19702
19700
19710
19720
19730
19741
19751
19760
19770
19785
19793
19801
19810
19823
19831
19843
19852
19861
19871
19885
19893
19909
19919
19924
19937
199411
19957
199616
199731
199822
199928
200078
200136
200232
200371
200458
200584
200686
200780
200866
2009114
2010147
2011122
2012119
201389
2014141
2015131
201637
20171
20180
20190
20200
20210
20220
Total1668