Rank	Countries/Territories	Count	Percent
1	United States	395	37.3%
2	China	345	32.5%
3	Germany	132	12.5%
4	France	43	4.1%
5	Netherlands	21	2%
6	Sweden	14	1.3%
7	Italy	12	1.1%
8	Japan	12	1.1%
9	Canada	12	1.1%
10	United Kingdom	11	1%
11	Singapore	11	1%
12	Iran, Islamic Republic of	6	0.6%
13	Hong Kong	6	0.6%
14	Austria	5	0.5%
15	Argentina	4	0.4%
16	India	4	0.4%
17	Thailand	4	0.4%
18	Spain	3	0.3%
19	Australia	3	0.3%
20	Cyprus	3	0.3%
21	Brazil	2	0.2%
22	Norway	2	0.2%
23	Slovenia	2	0.2%
24	South Africa	2	0.2%
25	Ukraine	2	0.2%
26	Russia	1	0.1%
27	Korea, Republic of	1	0.1%
28	Malaysia	1	0.1%
29	Egypt	1	0.1%