Rank	Countries/Territories	Count	Percent
1	United States	320	34.3%
2	China	282	30.3%
3	Germany	101	10.8%
4	France	32	3.4%
5	Korea, Republic of	31	3.3%
6	Japan	20	2.1%
7	Canada	18	1.9%
8	Netherlands	18	1.9%
9	India	17	1.8%
10	United Kingdom	14	1.5%
11	Ukraine	10	1.1%
12	Hong Kong	8	0.9%
13	Taiwan	7	0.8%
14	Portugal	6	0.6%
15	Russia	6	0.6%
16	South Africa	4	0.4%
17	Spain	3	0.3%
18	Singapore	3	0.3%
19	Latvia	3	0.3%
20	Italy	3	0.3%
21	Cyprus	3	0.3%
22	Egypt	2	0.2%
23	Argentina	2	0.2%
24	Australia	2	0.2%
25	Austria	2	0.2%
26	Iran, Islamic Republic of	2	0.2%
27	Ireland	2	0.2%
28	Greece	2	0.2%
29	Mexico	2	0.2%
30	Serbia	1	0.1%
31	Luxembourg	1	0.1%
32	Poland	1	0.1%
33	Sweden	1	0.1%
34	Turkey	1	0.1%
35	Belgium	1	0.1%
36	Denmark	1	0.1%