Rank	Countries/Territories	Count	Percent
1	United States	403	34.1%
2	China	389	32.9%
3	Germany	154	13%
4	Russia	48	4.1%
5	Mexico	28	2.4%
6	Japan	19	1.6%
7	Netherlands	13	1.1%
8	France	13	1.1%
9	Australia	10	0.8%
10	Italy	9	0.8%
11	Singapore	8	0.7%
12	Ireland	8	0.7%
13	Cyprus	8	0.7%
14	United Kingdom	8	0.7%
15	Brazil	5	0.4%
16	Egypt	5	0.4%
17	Romania	5	0.4%
18	Latvia	4	0.3%
19	Hong Kong	4	0.3%
20	Canada	4	0.3%
21	Ukraine	4	0.3%
22	Bulgaria	3	0.3%
23	Belgium	3	0.3%
24	Lithuania	3	0.3%
25	Mongolia	3	0.3%
26	Korea, Republic of	3	0.3%
27	Spain	3	0.3%
28	Turkey	2	0.2%
29	Israel	2	0.2%
30	Denmark	2	0.2%
31	India	2	0.2%
32	Iran, Islamic Republic of	2	0.2%
33	Hungary	1	0.1%
34	Ghana	1	0.1%
35		1	0.1%
36	Philippines	1	0.1%
37	Portugal	1	0.1%