Country	2014	2015	2016
United States	47.15%	46.90%	48.64%
Mexico	27.34%	27.14%	27.93%
India	22.92%	23.13%	20.51%
Pakistan	18.15%	23.44%	22.43%
Indonesia	17.67%	18.20%	18.25%
China	17.14%	17.27%	17.69%
Average	25.06%	26.01%	25.91%