Rank	Countries/Territories	Count	Percent
1	China	354	34.6%
2	United States	343	33.5%
3	Germany	139	13.6%
4	Netherlands	37	3.6%
5	France	28	2.7%
6	Australia	14	1.4%
7	Luxembourg	14	1.4%
8	Iran, Islamic Republic of	12	1.2%
9	Japan	12	1.2%
10	Cyprus	10	1%
11	Canada	9	0.9%
12	India	6	0.6%
13	Ukraine	6	0.6%
14	United Kingdom	5	0.5%
15	Pakistan	5	0.5%
16	Singapore	4	0.4%
17	Argentina	4	0.4%
18	Korea, Republic of	3	0.3%
19	Hong Kong	3	0.3%
20	Mongolia	3	0.3%
21	Algeria	2	0.2%
22	Belgium	2	0.2%
23	Russia	2	0.2%
24	Thailand	2	0.2%
25	Philippines	1	0.1%
26	Romania	1	0.1%
27	Switzerland	1	0.1%
28	Norway	1	0.1%