Rank	Countries/Territories	Count	Percent
1	United States	473	37.9%
2	China	236	18.9%
3	Germany	145	11.6%
4	Brazil	67	5.4%
5	France	45	3.6%
6	Korea, Republic of	41	3.3%
7	India	39	3.1%
8	Russia	26	2.1%
9	Japan	19	1.5%
10	United Kingdom	17	1.4%
11	Switzerland	15	1.2%
12	Latvia	14	1.1%
13	Argentina	11	0.9%
14	Spain	10	0.8%
15	Poland	9	0.7%
16	Netherlands	9	0.7%
17	Italy	7	0.6%
18	Ireland	6	0.5%
19	Kenya	6	0.5%
20	Sweden	5	0.4%
21	Canada	5	0.4%
22	Iran, Islamic Republic of	4	0.3%
23	Saudi Arabia	4	0.3%
24	Turkey	4	0.3%
25	Singapore	3	0.2%
26	Greece	3	0.2%
27	Hong Kong	2	0.2%
28	Cyprus	2	0.2%
29	Senegal	2	0.2%
30	Belgium	2	0.2%
31	Uganda	2	0.2%
32	Taiwan	2	0.2%
33	Ukraine	1	0.1%
34	Israel	1	0.1%
35	Mexico	1	0.1%
36	Norway	1	0.1%
37	Czech Republic	1	0.1%
38	Denmark	1	0.1%
39	Chile	1	0.1%
40	Australia	1	0.1%
41	Austria	1	0.1%
42	Georgia	1	0.1%
43	Iraq	1	0.1%
44	Indonesia	1	0.1%