"Figure 18: Income begins to outpace costs for high-income households after 2015","" "Mean equivalised household disposable income (nominal) and Household Costs Indices cumulative growth, UK, financial years ending 2006 to 2018","" "","" "Notes","" "Unit","Index: financial year ending 2006 = 100" "","" "Financial year","Income (ninth decile)","HCI (ninth decile)" "2005/06","100","100" "2006/07","106.1","103.2" "2007/08","109","106.7" "2008/09","111.3","109.3" "2009/10","113.7","109.5" "2010/11","115.8","113.9" "2011/12","115.4","118.8" "2012/13","117.3","121.7" "2013/14","123.9","124.1" "2014/15","129","125" "2015/16","128.4","125" "2016/17","134.9","126.4" "2017/18","138.9","129.9"