Rank	Countries/Territories	Count	Percent
1	United States	383	37.7%
2	China	290	28.5%
3	Germany	78	7.7%
4	Japan	53	5.2%
5	Argentina	41	4%
6	Netherlands	29	2.9%
7	Singapore	24	2.4%
8	Korea, Republic of	24	2.4%
9	Russia	18	1.8%
10	France	13	1.3%
11	Australia	9	0.9%
12	Iran, Islamic Republic of	8	0.8%
13	Hong Kong	8	0.8%
14	Cyprus	6	0.6%
15	Canada	5	0.5%
16	India	4	0.4%
17	Mongolia	4	0.4%
18	Taiwan	3	0.3%
19	United Kingdom	2	0.2%
20	Italy	2	0.2%
21	Denmark	2	0.2%
22	Brazil	2	0.2%
23	Cote D'ivoire	1	0.1%
24	Mexico	1	0.1%
25	Indonesia	1	0.1%
26	Viet Nam	1	0.1%
27	Thailand	1	0.1%
28	Switzerland	1	0.1%
29	Morocco	1	0.1%
30	Norway	1	0.1%