Rank	Countries/Territories	Count	Percent
1	United States	559	39.2%
2	China	426	29.9%
3	Germany	97	6.8%
4	France	42	2.9%
5	Mexico	40	2.8%
6	Korea, Republic of	34	2.4%
7	Netherlands	31	2.2%
8	Russia	27	1.9%
9	Japan	24	1.7%
10	South Africa	20	1.4%
11	India	17	1.2%
12	Canada	15	1.1%
13	Australia	12	0.8%
14	Cyprus	10	0.7%
15	Turkey	10	0.7%
16	Singapore	9	0.6%
17	Iran, Islamic Republic of	8	0.6%
18	Norway	6	0.4%
19	Mongolia	4	0.3%
20	New Zealand	3	0.2%
21	United Kingdom	3	0.2%
22	Spain	3	0.2%
23	Ireland	3	0.2%
24	Greece	3	0.2%
25	Hong Kong	3	0.2%
26	Latvia	3	0.2%
27	Malaysia	2	0.1%
28	Georgia	2	0.1%
29	Ghana	2	0.1%
30	Switzerland	2	0.1%
31	Portugal	2	0.1%
32	Saudi Arabia	1	0.1%
33	Ukraine	1	0.1%
34	Viet Nam	1	0.1%
35	Czech Republic	1	0.1%
36	Bulgaria	1	0.1%