Text Size   decrease font size increase font size

Unknown/refused

SELECT ALL
2011
2012
2013
2014
2015
2016
2017
2018
Unknown/refused - Total
(Percent)

Unknown/refused - Total

(Percent)
Year Data Set 20112012201320142015201620172018
Unknown/refused
DC2.5 %0.3 %0.6 %0.8 %1.1 %0.5 %0.7 %2.0 %