Rank	Countries/Territories	Count	Percent
1	United States	477	43.8%
2	China	307	28.2%
3	Germany	81	7.4%
4	Netherlands	24	2.2%
5	France	22	2%
6	Japan	19	1.7%
7	Korea, Republic of	16	1.5%
8	Canada	9	0.8%
9	Saudi Arabia	9	0.8%
10	Italy	9	0.8%
11	United Kingdom	9	0.8%
12	Taiwan	8	0.7%
13	Hong Kong	8	0.7%
14	India	8	0.7%
15	Australia	7	0.6%
16	Libya	6	0.6%
17	Philippines	6	0.6%
18	Portugal	6	0.6%
19	Cyprus	5	0.5%
20	Turkey	5	0.5%
21	Viet Nam	4	0.4%
22	Egypt	4	0.4%
23	Singapore	4	0.4%
24	Romania	3	0.3%
25	Russia	3	0.3%
26	Latvia	3	0.3%
27	Brazil	3	0.3%
28	Andorra	2	0.2%
29	Greece	2	0.2%
30	Iran, Islamic Republic of	2	0.2%
31	Ireland	2	0.2%
32	Mexico	2	0.2%
33	Mongolia	2	0.2%
34	Spain	2	0.2%
35	Ukraine	2	0.2%
36	United Arab Emirates	1	0.1%
37	Switzerland	1	0.1%
38	Thailand	1	0.1%
39	Pakistan	1	0.1%
40	Kuwait	1	0.1%
41	Indonesia	1	0.1%
42	Argentina	1	0.1%