Home Feature	2017	2016	2015	2014	2013
Multi-gen accommodations	55%	53%	45%	53%	50%
First floor master	49%	54%	51%	46%	51%
Wider doorways/hallways	43%	--	--	--	--
On-grade entry	36%	36%	37%	37%	33%
Ramps/elevators	33%	42%	45%	51%	42%
Easy-use features (e.g., handles)	33%	26%	32%	32%	37%
Net-zero/super-insulated	31%	44%	56%	--	--
Multiple laundry rooms	21%	25%	21%	--	--