Country	2013	2014	2015	2016
China	17.09	17.14	17.27	17.69
India	22.76	22.92	23.13	20.51
Indonesia	16.02	17.67	18.20	18.25
Mexico	26.78	27.34	27.14	27.93
Pakistan	21.81	18.15	23.44	22.43
United States	46.36	47.15	46.90	48.64