Rank	Countries/Territories	Count	Percent
1	United States	722	61.4%
2	China	218	18.5%
3	Germany	35	3%
4	France	21	1.8%
5	India	20	1.7%
6	Japan	20	1.7%
7	Russia	18	1.5%
8	Netherlands	15	1.3%
9	Canada	11	0.9%
10	Bulgaria	9	0.8%
11	Korea, Republic of	9	0.8%
12	Ireland	9	0.8%
13	Australia	7	0.6%
14	United Kingdom	7	0.6%
15	Brazil	6	0.5%
16	Israel	4	0.3%
17	Turkey	4	0.3%
18	Spain	4	0.3%
19	United Arab Emirates	4	0.3%
20	Cote D'ivoire	3	0.3%
21	Iran, Islamic Republic of	3	0.3%
22	Greece	2	0.2%
23	Guyana	2	0.2%
24	Cyprus	2	0.2%
25	Sweden	2	0.2%
26	Taiwan	2	0.2%
27	Norway	2	0.2%
28	Serbia	2	0.2%
29	Singapore	2	0.2%
30	South Africa	2	0.2%
31	Malaysia	1	0.1%
32	Portugal	1	0.1%
33	Ukraine	1	0.1%
34	Tanzania, United Republic of	1	0.1%
35	Czech Republic	1	0.1%
36	Egypt	1	0.1%
37	Chile	1	0.1%
38	Georgia	1	0.1%
39	Indonesia	1	0.1%