商榷一下,60%到60%不太准确吧

	US	China
2018	20,494,100	13,407,400	65.420779639
2017	19,485,400	12,062,280	61.9041949357
2016	18,707,200	11,221,840	59.9867430722
2015	18,219,300	11,226,190	61.6170215102
2014	17,521,700	10,534,530	60.1227620608
2013	16,784,900	9,635,030	57.4029633778
2012	16,197,000	8,570,350	52.9131938013
2011	15,542,600	7,522,100	48.3966646507
2010	14,992,100	6,066,350	40.4636441859
2009	14,448,900	5,121,680	35.4468506253
2008	14,712,800	4,604,290	31.2944510902
2007	14,451,900	3,571,450	24.7126675385
2006	13,814,600	2,774,290	20.0823042289
2005	13,036,600	2,308,800	17.7101391467
2004	12,213,700	1,966,240	16.0986433268