Rank	Countries/Territories	Count	Percent
1	United States	503	39.3%
2	China	424	33.2%
3	Germany	125	9.8%
4	France	51	4%
5	Netherlands	30	2.3%
6	Japan	17	1.3%
7	Singapore	16	1.3%
8	Canada	15	1.2%
9	Cyprus	15	1.2%
10	United Kingdom	12	0.9%
11	Taiwan	9	0.7%
12	Iran, Islamic Republic of	6	0.5%
13	Turkey	5	0.4%
14	Sri Lanka	5	0.4%
15	Ireland	4	0.3%
16	Brazil	4	0.3%
17	Australia	3	0.2%
18	Korea, Republic of	3	0.2%
19	Ukraine	3	0.2%
20	Viet Nam	2	0.2%
21	Sweden	2	0.2%
22	Slovakia	2	0.2%
23	South Africa	2	0.2%
24	Luxembourg	2	0.2%
25	Mexico	2	0.2%
26	Mongolia	2	0.2%
27	Greece	2	0.2%
28	India	2	0.2%
29	Indonesia	2	0.2%
30	Czech Republic	2	0.2%
31	Egypt	1	0.1%
32	Latvia	1	0.1%
33	Lebanon	1	0.1%
34	New Zealand	1	0.1%
35	Poland	1	0.1%
36	Malaysia	1	0.1%
37	Switzerland	1	0.1%