Rank	Countries/Territories	Count	Percent
1	United States	431	38.2%
2	China	398	35.3%
3	Germany	76	6.7%
4	Japan	30	2.7%
5	Netherlands	23	2%
6	France	23	2%
7	Canada	18	1.6%
8	Korea, Republic of	14	1.2%
9	Bulgaria	13	1.2%
10	Russia	12	1.1%
11	United Kingdom	11	1%
12	Hong Kong	10	0.9%
13	Cyprus	7	0.6%
14	Singapore	5	0.4%
15	Portugal	5	0.4%
16	Thailand	5	0.4%
17	Latvia	4	0.4%
18	Taiwan	3	0.3%
19	Mexico	3	0.3%
20	South Africa	3	0.3%
21	Spain	3	0.3%
22	Australia	3	0.3%
23	India	3	0.3%
24	Italy	2	0.2%
25	Iran, Islamic Republic of	2	0.2%
26	Brazil	2	0.2%
27	Georgia	2	0.2%
28	New Zealand	2	0.2%
29	Nigeria	2	0.2%
30	Ukraine	2	0.2%
31	Viet Nam	2	0.2%
32	Philippines	1	0.1%
33	Lithuania	1	0.1%
34	Mauritius	1	0.1%
35	Sweden	1	0.1%
36	Switzerland	1	0.1%
37	Myanmar	1	0.1%
38	Denmark	1	0.1%
39	Bangladesh	1	0.1%
40	Ireland	1	0.1%
41	Indonesia	1	0.1%