*Excludes Observations that spanned multiple years

Pre 1970140
19700
19711
19720
19731
19740
19753
19761
19771
19783
197919
19802
19811
19821
19831
19841
19850
19860
19874
19882
19893
199018
19918
199224
199318
199410
19959
19968
199710
19986
199928
200016
200115
200242
200372
200447
20058
200644
200749
200880
200990
201015
201131
201227
201316
201450
201547
201630
20170
20180
20190
20200
20211
20220
20230
Total1003