Rank	Countries/Territories	Count	Percent
1	United States	210	32.3%
2	China	170	26.1%
3	Germany	61	9.4%
4	Japan	40	6.1%
5	Russia	18	2.8%
6	Korea, Republic of	16	2.5%
7	Latvia	16	2.5%
8	Brazil	16	2.5%
9	India	11	1.7%
10	Turkey	8	1.2%
11	Netherlands	8	1.2%
12	United Kingdom	7	1.1%
13	Hong Kong	7	1.1%
14	Senegal	6	0.9%
15	France	6	0.9%
16	Denmark	5	0.8%
17	Australia	4	0.6%
18	Israel	4	0.6%
19	Mexico	3	0.5%
20	Nigeria	3	0.5%
21	Singapore	3	0.5%
22	Colombia	3	0.5%
23	Cyprus	2	0.3%
24	Belgium	2	0.3%
25	Canada	2	0.3%
26	Iran, Islamic Republic of	2	0.3%
27	Ireland	2	0.3%
28	Malaysia	2	0.3%
29	Mauritius	2	0.3%
30	Serbia	2	0.3%
31	Sweden	2	0.3%
32	Norway	2	0.3%
33	Portugal	1	0.2%
34	Romania	1	0.2%
35	Morocco	1	0.2%
36	South Africa	1	0.2%
37	Hungary	1	0.2%
38	Belarus	1	0.2%