Rank	Countries/Territories	Count	Percent
1	United States	346	46.4%
2	China	170	22.8%
3	Germany	57	7.6%
4	United Kingdom	21	2.8%
5	France	17	2.3%
6	Japan	12	1.6%
7	Canada	11	1.5%
8	Iran, Islamic Republic of	8	1.1%
9	Singapore	8	1.1%
10	Paraguay	6	0.8%
11	Mexico	6	0.8%
12	Cyprus	6	0.8%
13	Ireland	5	0.7%
14	Israel	5	0.7%
15	Netherlands	5	0.7%
16	Taiwan	5	0.7%
17	New Zealand	4	0.5%
18	Luxembourg	4	0.5%
19	Russia	4	0.5%
20	Italy	4	0.5%
21	Hong Kong	3	0.4%
22	Colombia	3	0.4%
23	Brazil	3	0.4%
24	South Africa	3	0.4%
25	Malaysia	3	0.4%
26	Ukraine	3	0.4%
27	Thailand	2	0.3%
28	Turkey	2	0.3%
29	Sweden	2	0.3%
30	Switzerland	2	0.3%
31	Serbia	2	0.3%
32	Philippines	2	0.3%
33	Australia	2	0.3%
34	Czech Republic	2	0.3%
35	India	2	0.3%
36	Greece	1	0.1%
37	Romania	1	0.1%
38	Spain	1	0.1%
39	Korea, Republic of	1	0.1%
40	Moldova, Republic of	1	0.1%
41	Viet Nam	1	0.1%