Rank	Countries/Territories	Count	Percent
1	United States	326	33.6%
2	China	230	23.7%
3	Germany	121	12.5%
4	Japan	63	6.5%
5	Italy	55	5.7%
6	France	19	2%
7	Canada	18	1.9%
8	Ireland	18	1.9%
9	India	15	1.5%
10	Netherlands	12	1.2%
11	Hong Kong	11	1.1%
12	Singapore	9	0.9%
13	Thailand	8	0.8%
14	Korea, Republic of	8	0.8%
15	Russia	7	0.7%
16	Indonesia	4	0.4%
17	Bulgaria	4	0.4%
18	Burkina Faso	4	0.4%
19	Cyprus	4	0.4%
20	Ghana	3	0.3%
21	Ukraine	3	0.3%
22	Spain	3	0.3%
23	Taiwan	2	0.2%
24	South Africa	2	0.2%
25	United Kingdom	2	0.2%
26	Viet Nam	2	0.2%
27	Romania	2	0.2%
28	Poland	2	0.2%
29	Hungary	2	0.2%
30	Colombia	2	0.2%
31	Cote D'ivoire	1	0.1%
32	Australia	1	0.1%
33	Greece	1	0.1%
34	Israel	1	0.1%
35	Portugal	1	0.1%
36	Lebanon	1	0.1%
37	Norway	1	0.1%
38	Philippines	1	0.1%