*Excludes Observations that spanned multiple years

Pre 197064
19706
19711
19720
19731
19747
19751
19763
19772
19782
19794
19806
19814
19822
19831
19840
19854
19865
19872
19888
198916
199025
199119
199221
199341
199452
199516
19965
199720
199830
199915
200072
200196
2002114
2003132
2004139
200553
200687
200745
200839
2009635
2010808
2011651
2012370
2013392
201471
2015169
20161756
20174010
201880
201968
202020
202115
202218
202333
202419
Total10275