_id	Year	Percentage Dwellings Developed to Lifetime Homes standards
1	2007 - 2008	9
2	2008 -2009	12
3	2009 - 2010	15
4	2010 - 2011	19
5	2011 - 2012	20
6	2012 - 2013	20
7	2013 -2014	20
8	2014 - 2015	24