Rank	Countries/Territories	Count	Percent
1	United States	871	60%
2	China	287	19.8%
3	Germany	41	2.8%
4	Japan	29	2%
5	France	28	1.9%
6	India	23	1.6%
7	Russia	21	1.4%
8	Korea, Republic of	17	1.2%
9	Netherlands	16	1.1%
10	Canada	16	1.1%
11	Norway	13	0.9%
12	Ireland	9	0.6%
13	Australia	9	0.6%
14	Bulgaria	9	0.6%
15	Brazil	7	0.5%
16	United Kingdom	7	0.5%
17	United Arab Emirates	4	0.3%
18	Israel	4	0.3%
19	Turkey	4	0.3%
20	Spain	4	0.3%
21	Cote D'ivoire	3	0.2%
22	Cyprus	3	0.2%
23	Iran, Islamic Republic of	3	0.2%
24	Greece	2	0.1%
25	Guyana	2	0.1%
26	Sweden	2	0.1%
27	Taiwan	2	0.1%
28	Serbia	2	0.1%
29	Singapore	2	0.1%
30	South Africa	2	0.1%
31	Malaysia	1	0.1%
32	Tanzania, United Republic of	1	0.1%
33	Ukraine	1	0.1%
34	Portugal	1	0.1%
35	Georgia	1	0.1%
36	Indonesia	1	0.1%
37	Czech Republic	1	0.1%
38	Egypt	1	0.1%
39	Estonia	1	0.1%
40	Chile	1	0.1%