Rank	Countries/Territories	Count	Percent
1	United States	414	39.5%
2	China	300	28.6%
3	Germany	111	10.6%
4	France	34	3.2%
5	Japan	26	2.5%
6	Hungary	23	2.2%
7	Singapore	18	1.7%
8	Hong Kong	13	1.2%
9	Sweden	12	1.1%
10	India	11	1%
11	Korea, Republic of	9	0.9%
12	Netherlands	9	0.9%
13	Viet Nam	8	0.8%
14	Australia	7	0.7%
15	Malaysia	6	0.6%
16	Ireland	6	0.6%
17	Switzerland	5	0.5%
18	Mongolia	5	0.5%
19	Canada	5	0.5%
20	Cyprus	4	0.4%
21	Taiwan	4	0.4%
22	United Kingdom	4	0.4%
23	Romania	3	0.3%
24	Ukraine	3	0.3%
25	Argentina	2	0.2%
26	Bulgaria	2	0.2%
27	Finland	1	0.1%
28	Indonesia	1	0.1%
29	Iran, Islamic Republic of	1	0.1%
30	Norway	1	0.1%
31	Philippines	1	0.1%