Rank	Countries/Territories	Count	Percent
1	United States	352	34.4%
2	China	273	26.7%
3	Germany	93	9.1%
4	Russia	32	3.1%
5	Canada	26	2.5%
6	Togo	24	2.3%
7	France	17	1.7%
8	Hong Kong	17	1.7%
9	United Kingdom	15	1.5%
10	Belgium	14	1.4%
11	Netherlands	14	1.4%
12	Japan	12	1.2%
13	Egypt	12	1.2%
14	India	11	1.1%
15	Spain	11	1.1%
16	Singapore	10	1%
17	Korea, Republic of	9	0.9%
18	Australia	9	0.9%
19	Chile	9	0.9%
20	Pakistan	8	0.8%
21	Lithuania	7	0.7%
22	Philippines	5	0.5%
23	Viet Nam	5	0.5%
24	Taiwan	4	0.4%
25	Cyprus	4	0.4%
26	Argentina	4	0.4%
27	Ireland	4	0.4%
28	Romania	3	0.3%
29	Mongolia	2	0.2%
30	Switzerland	2	0.2%
31	Portugal	2	0.2%
32	Brazil	2	0.2%
33	Denmark	1	0.1%
34	Italy	1	0.1%
35	Iran, Islamic Republic of	1	0.1%
36	Ghana	1	0.1%
37	Greece	1	0.1%
38	Norway	1	0.1%
39	Malaysia	1	0.1%
40	Saudi Arabia	1	0.1%
41	Turkey	1	0.1%
42	Ukraine	1	0.1%