Rank	Countries/Territories	Count	Percent
1	United States	443	39.4%
2	China	335	29.8%
3	Germany	97	8.6%
4	Japan	59	5.2%
5	France	51	4.5%
6	Singapore	25	2.2%
7	Netherlands	16	1.4%
8	Sweden	12	1.1%
9	Switzerland	11	1%
10	Russia	9	0.8%
11	United Kingdom	7	0.6%
12	Bulgaria	7	0.6%
13	Australia	6	0.5%
14	Korea, Republic of	6	0.5%
15	Cyprus	5	0.4%
16	India	5	0.4%
17	Greece	4	0.4%
18	Brazil	4	0.4%
19	Canada	3	0.3%
20	Cote D'ivoire	2	0.2%
21	Latvia	2	0.2%
22	Mexico	2	0.2%
23	Mongolia	2	0.2%
24	Romania	2	0.2%
25	Thailand	2	0.2%
26	Turkey	1	0.1%
27	Ireland	1	0.1%
28	Uruguay	1	0.1%
29	Hong Kong	1	0.1%
30	Czech Republic	1	0.1%
31	Algeria	1	0.1%
32	Argentina	1	0.1%