Rank	Countries/Territories	Count	Percent
1	United States	170	38.3%
2	China	121	27.3%
3	Germany	29	6.5%
4	Canada	15	3.4%
5	France	12	2.7%
6	Japan	12	2.7%
7	Czech Republic	9	2%
8	Australia	6	1.4%
9	Netherlands	6	1.4%
10	United Kingdom	5	1.1%
11	Venezuela, Bolivarian Republic of	4	0.9%
12	Spain	4	0.9%
13	Romania	4	0.9%
14	Bulgaria	4	0.9%
15	Cyprus	4	0.9%
16	Italy	4	0.9%
17	Colombia	3	0.7%
18	Turkey	3	0.7%
19	Russia	2	0.5%
20	Singapore	2	0.5%
21	Philippines	2	0.5%
22	Portugal	2	0.5%
23	Lithuania	2	0.5%
24	Mauritius	2	0.5%
25	Hong Kong	2	0.5%
26	India	2	0.5%
27	Indonesia	2	0.5%
28	Ireland	2	0.5%
29	Hungary	1	0.2%
30	Korea, Republic of	1	0.2%
31	Cote D'ivoire	1	0.2%
32	Denmark	1	0.2%
33	Egypt	1	0.2%
34	Nigeria	1	0.2%
35	Pakistan	1	0.2%
36	Ukraine	1	0.2%
37	Switzerland	1	0.2%