Rank	Countries/Territories	Count	Percent
1	United States	222	25.8%
2	China	180	21%
3	Germany	95	11.1%
4	Spain	59	6.9%
5	Russia	38	4.4%
6	Korea, Republic of	37	4.3%
7	Brazil	30	3.5%
8	India	29	3.4%
9	Japan	24	2.8%
10	Latvia	16	1.9%
11	Turkey	14	1.6%
12	France	13	1.5%
13	Indonesia	10	1.2%
14		10	1.2%
15	Ireland	9	1%
16	Netherlands	9	1%
17	United Kingdom	9	1%
18	Saudi Arabia	8	0.9%
19	Canada	6	0.7%
20	Egypt	6	0.7%
21	Singapore	3	0.3%
22	Romania	3	0.3%
23	Viet Nam	2	0.2%
24	Sierra Leone	2	0.2%
25	Pakistan	2	0.2%
26	Mexico	2	0.2%
27	Greece	2	0.2%
28	Guatemala	2	0.2%
29	Australia	2	0.2%
30	Cyprus	2	0.2%
31	Denmark	1	0.1%
32	Dominican Republic	1	0.1%
33	Belgium	1	0.1%
34	Hong Kong	1	0.1%
35	Hungary	1	0.1%
36	Iran, Islamic Republic of	1	0.1%
37	Norway	1	0.1%
38	Italy	1	0.1%
39	Mauritius	1	0.1%
40	Peru	1	0.1%
41	Poland	1	0.1%
42	South Africa	1	0.1%
43	Taiwan	1	0.1%