Rank	Countries/Territories	Count	Percent
1	United States	712	62.5%
2	China	203	17.8%
3	Germany	35	3.1%
4	France	20	1.8%
5	India	20	1.8%
6	Japan	20	1.8%
7	Russia	18	1.6%
8	Netherlands	15	1.3%
9	Canada	11	1%
10	Korea, Republic of	9	0.8%
11	Bulgaria	9	0.8%
12	United Kingdom	7	0.6%
13	Australia	6	0.5%
14	Brazil	6	0.5%
15	Israel	4	0.4%
16	Turkey	4	0.4%
17	Spain	4	0.4%
18	United Arab Emirates	4	0.4%
19	Cote D'ivoire	3	0.3%
20	Iran, Islamic Republic of	3	0.3%
21	Greece	2	0.2%
22	Guyana	2	0.2%
23	Cyprus	2	0.2%
24	Sweden	2	0.2%
25	Taiwan	2	0.2%
26	Norway	2	0.2%
27	Serbia	2	0.2%
28	Singapore	2	0.2%
29	South Africa	1	0.1%
30	Malaysia	1	0.1%
31	Portugal	1	0.1%
32	Ukraine	1	0.1%
33	Tanzania, United Republic of	1	0.1%
34	Czech Republic	1	0.1%
35	Egypt	1	0.1%
36	Chile	1	0.1%
37	Georgia	1	0.1%
38	Ireland	1	0.1%
39	Indonesia	1	0.1%