Rank	Countries/Territories	Count	Percent
1	United States	473	36.3%
2	China	472	36.2%
3	Germany	92	7.1%
4	Japan	33	2.5%
5	United Kingdom	30	2.3%
6	India	25	1.9%
7	Belgium	25	1.9%
8	France	23	1.8%
9	Netherlands	16	1.2%
10	Canada	14	1.1%
11	Korea, Republic of	13	1%
12	Sweden	10	0.8%
13	Norway	6	0.5%
14	Russia	6	0.5%
15	Slovenia	6	0.5%
16	Greece	6	0.5%
17	Australia	5	0.4%
18	Spain	5	0.4%
19	Malaysia	4	0.3%
20	Hong Kong	4	0.3%
21	Cyprus	4	0.3%
22	Italy	4	0.3%
23	Iran, Islamic Republic of	4	0.3%
24	Pakistan	3	0.2%
25	Taiwan	3	0.2%
26	Ukraine	2	0.2%
27	Portugal	2	0.2%
28	Singapore	2	0.2%
29	Slovakia	2	0.2%
30	Israel	2	0.2%
31	Argentina	2	0.2%
32	Chile	1	0.1%
33	Luxembourg	1	0.1%
34	New Zealand	1	0.1%
35	South Africa	1	0.1%
36	Poland	1	0.1%