*Excludes Observations that spanned multiple years

Pre 19703
19701
19710
19721
19730
19741
19751
19760
19770
19781
19793
19800
19811
19822
19836
19842
198512
19866
19877
19883
19893
19904
19914
19925
19935
19946
19951
199618
199738
199842
199945
200066
200143
200238
200348
200447
200568
200672
200747
200869
2009104
2010135
201199
201258
201339
201452
201533
20164
20170
20180
20190
20200
20210
Total1243