60 Household response rate SO 40 30 20 10 0 Household response rate (returning sample only) .1 -------- It' 19 tia9r Apr May 1g Aug S19t Oct1 tt; Dec 1 138 Feb )410 10 11 110 Jul 41'0 Sept ' 92c0 Note: See appendix table 3 for estimates. Source: Bureau of Justice Statistics. National