"Figure 1: Unexplained infant death rates, 2004–2012 (1,2)","" "England & Wales","" "","" "Notes","1. Data for 2012 are provisional 2. Based on deaths occurring in each calendar year 3. Infant deaths occur under one year after live birth " "Unit","Rates per 1,000 live births" "","" "","Unexplained infant deaths","Unascertained infant deaths","Sudden infant deaths" "2004","0.50","0.17","0.32" "2005","0.50","0.16","0.35" "2006","0.43","0.15","0.27" "2007","0.40","0.11","0.29" "2008","0.40","0.14","0.26" "2009","0.40","0.14","0.26" "2010","0.36","0.14","0.22" "2011","0.34","0.11","0.23" "2012","0.30","0.09","0.22"