Rank	Countries/Territories	Count	Percent
1	United States	478	36.2%
2	China	424	32.1%
3	Germany	136	10.3%
4	France	71	5.4%
5	Canada	35	2.6%
6	Netherlands	29	2.2%
7	Palestine, State of	26	2%
8	Japan	24	1.8%
9	Brazil	19	1.4%
10	Cyprus	10	0.8%
11	Hong Kong	7	0.5%
12	Singapore	7	0.5%
13	Ecuador	6	0.5%
14	Australia	5	0.4%
15	Iran, Islamic Republic of	5	0.4%
16	Portugal	5	0.4%
17	Taiwan	4	0.3%
18	Hungary	4	0.3%
19	Korea, Republic of	4	0.3%
20	United Kingdom	3	0.2%
21	Mongolia	2	0.2%
22	Ukraine	2	0.2%
23	Romania	2	0.2%
24	Ireland	2	0.2%
25	Italy	2	0.2%
26	Latvia	2	0.2%
27	Dominican Republic	2	0.2%
28	Bangladesh	1	0.1%
29	Malaysia	1	0.1%
30	India	1	0.1%
31	South Africa	1	0.1%
32	Spain	1	0.1%