Rank	Countries/Territories	Count	Percent
1	China	476	33.8%
2	United States	457	32.5%
3	Germany	126	8.9%
4	Korea, Republic of	74	5.3%
5	Japan	23	1.6%
6	Iran, Islamic Republic of	22	1.6%
7	Netherlands	21	1.5%
8	Russia	19	1.3%
9		17	1.2%
10	France	14	1%
11	Switzerland	14	1%
12	Norway	12	0.9%
13	India	12	0.9%
14	Argentina	11	0.8%
15	Canada	11	0.8%
16	Brazil	10	0.7%
17	Hong Kong	10	0.7%
18	Taiwan	10	0.7%
19	Cyprus	9	0.6%
20	Turkey	7	0.5%
21	Sweden	7	0.5%
22	Australia	6	0.4%
23	Italy	6	0.4%
24	United Kingdom	6	0.4%
25	Singapore	5	0.4%
26	Latvia	4	0.3%
27	Ireland	3	0.2%
28	Austria	3	0.2%
29	Greece	2	0.1%
30	Oman	2	0.1%
31	Slovakia	2	0.1%
32	South Africa	1	0.1%
33	Ukraine	1	0.1%
34	Tunisia	1	0.1%
35	Romania	1	0.1%
36	Lithuania	1	0.1%
37	Saudi Arabia	1	0.1%
38	Viet Nam	1	0.1%