Rank	Countries/Territories	Count	Percent
1	United States	691	37.7%
2	China	646	35.2%
3	Germany	209	11.4%
4	France	70	3.8%
5	Japan	34	1.9%
6	Russia	31	1.7%
7	Netherlands	20	1.1%
8	Argentina	20	1.1%
9	Canada	17	0.9%
10	Cyprus	16	0.9%
11	India	16	0.9%
12	United Kingdom	10	0.5%
13	Australia	9	0.5%
14	Switzerland	6	0.3%
15	Sweden	4	0.2%
16	Singapore	4	0.2%
17	Ireland	4	0.2%
18	Malaysia	4	0.2%
19	Mongolia	4	0.2%
20	Norway	3	0.2%
21	Iran, Islamic Republic of	3	0.2%
22	Romania	3	0.2%
23	Ukraine	2	0.1%
24	Latvia	2	0.1%
25	Poland	2	0.1%
26	Bangladesh	2	0.1%
27	Brazil	1	0.1%
28	Thailand	1	0.1%
29	South Africa	1	0.1%