Rank	Countries/Territories	Count	Percent
1	United States	515	35.6%
2	China	473	32.7%
3	Germany	139	9.6%
4	France	75	5.2%
5	Japan	48	3.3%
6	Canada	35	2.4%
7	Netherlands	30	2.1%
8	Palestine, State of	26	1.8%
9	Brazil	19	1.3%
10	Cyprus	11	0.8%
11	Korea, Republic of	8	0.6%
12	Hong Kong	7	0.5%
13	Singapore	7	0.5%
14	Iran, Islamic Republic of	6	0.4%
15	Ecuador	6	0.4%
16	Australia	5	0.3%
17	Portugal	5	0.3%
18	Romania	4	0.3%
19	Taiwan	4	0.3%
20	United Kingdom	4	0.3%
21	Hungary	4	0.3%
22	Latvia	2	0.1%
23	Dominican Republic	2	0.1%
24	Mongolia	2	0.1%
25	Ukraine	2	0.1%
26	Ireland	2	0.1%
27	Italy	2	0.1%
28	South Africa	1	0.1%
29	Spain	1	0.1%
30	Bangladesh	1	0.1%
31	Malaysia	1	0.1%
32	India	1	0.1%