Rank	Countries/Territories	Count	Percent
1	United States	387	33.6%
2	China	351	30.5%
3	Germany	116	10.1%
4	Korea, Republic of	69	6%
5	Japan	23	2%
6	Iran, Islamic Republic of	18	1.6%
7		17	1.5%
8	Netherlands	17	1.5%
9	Russia	15	1.3%
10	Switzerland	14	1.2%
11	Norway	12	1%
12	India	12	1%
13	Canada	11	1%
14	Brazil	10	0.9%
15	France	10	0.9%
16	Cyprus	8	0.7%
17	Italy	6	0.5%
18	Hong Kong	5	0.4%
19	Australia	5	0.4%
20	Sweden	5	0.4%
21	Singapore	5	0.4%
22	United Kingdom	5	0.4%
23	Latvia	4	0.3%
24	Turkey	3	0.3%
25	Austria	3	0.3%
26	Argentina	3	0.3%
27	Ireland	3	0.3%
28	Greece	2	0.2%
29	Slovakia	2	0.2%
30	Oman	2	0.2%
31	Romania	1	0.1%
32	Lithuania	1	0.1%
33	Saudi Arabia	1	0.1%
34	South Africa	1	0.1%
35	Ukraine	1	0.1%
36	Taiwan	1	0.1%
37	Tunisia	1	0.1%
38	Viet Nam	1	0.1%