Rank	Countries/Territories	Count	Percent
1	China	393	38.6%
2	United States	367	36.1%
3	Germany	69	6.8%
4	Japan	36	3.5%
5	United Kingdom	21	2.1%
6	Netherlands	14	1.4%
7	Canada	14	1.4%
8	Singapore	13	1.3%
9	France	12	1.2%
10	Ecuador	12	1.2%
11	Iran, Islamic Republic of	8	0.8%
12	Australia	7	0.7%
13	Ukraine	6	0.6%
14	Taiwan	5	0.5%
15	Malaysia	5	0.5%
16	Norway	5	0.5%
17	Switzerland	3	0.3%
18	Viet Nam	3	0.3%
19	Turkey	2	0.2%
20	Poland	2	0.2%
21	Portugal	2	0.2%
22	Mongolia	2	0.2%
23	Bangladesh	2	0.2%
24	Algeria	2	0.2%
25	Czech Republic	2	0.2%
26	Korea, Republic of	2	0.2%
27	Egypt	2	0.2%
28	Hong Kong	2	0.2%
29	Italy	1	0.1%
30	Cyprus	1	0.1%
31	Argentina	1	0.1%
32	Spain	1	0.1%