Rank	Countries/Territories	Count	Percent
1	United States	339	40.6%
2	China	271	32.4%
3	Germany	90	10.8%
4	Japan	17	2%
5	Netherlands	14	1.7%
6	France	12	1.4%
7	Hong Kong	11	1.3%
8	Canada	9	1.1%
9	Norway	9	1.1%
10	Russia	8	1%
11	Singapore	8	1%
12	Korea, Republic of	7	0.8%
13	Taiwan	6	0.7%
14	Cyprus	5	0.6%
15	Australia	4	0.5%
16	Ireland	4	0.5%
17	Pakistan	3	0.4%
18	Portugal	2	0.2%
19	Switzerland	2	0.2%
20	United Kingdom	2	0.2%
21	Argentina	2	0.2%
22	Malaysia	2	0.2%
23	New Zealand	2	0.2%
24	India	2	0.2%
25	Iran, Islamic Republic of	1	0.1%
26	Bangladesh	1	0.1%
27	Cote D'ivoire	1	0.1%
28	Ukraine	1	0.1%
29	Spain	1	0.1%