Rank	Countries/Territories	Count	Percent
1	United States	350	35.1%
2	China	333	33.4%
3	Germany	120	12%
4	Japan	32	3.2%
5	India	28	2.8%
6	Singapore	23	2.3%
7	Netherlands	15	1.5%
8	Iran, Islamic Republic of	12	1.2%
9	Switzerland	10	1%
10	Pakistan	8	0.8%
11	Russia	8	0.8%
12		8	0.8%
13	Cyprus	7	0.7%
14	France	6	0.6%
15	Brazil	5	0.5%
16	United Kingdom	5	0.5%
17	Australia	4	0.4%
18	Canada	3	0.3%
19	Spain	3	0.3%
20	Saudi Arabia	2	0.2%
21	Hong Kong	2	0.2%
22	Cameroon	2	0.2%
23	Korea, Republic of	2	0.2%
24	Georgia	1	0.1%
25	Ghana	1	0.1%
26	Honduras	1	0.1%
27	Algeria	1	0.1%
28	Argentina	1	0.1%
29	Ethiopia	1	0.1%
30	Turkey	1	0.1%
31	Ukraine	1	0.1%
32	Poland	1	0.1%
33	Romania	1	0.1%