Rank	Countries/Territories	Count	Percent
1	China	338	34.1%
2	United States	308	31.1%
3	Germany	113	11.4%
4	Russia	18	1.8%
5	United Kingdom	18	1.8%
6	India	17	1.7%
7	Hong Kong	16	1.6%
8	Netherlands	14	1.4%
9	Norway	12	1.2%
10	Romania	12	1.2%
11	Japan	11	1.1%
12	Korea, Republic of	11	1.1%
13	Australia	11	1.1%
14	Singapore	9	0.9%
15	Italy	8	0.8%
16	Brazil	8	0.8%
17	Viet Nam	7	0.7%
18	Canada	6	0.6%
19	France	6	0.6%
20	Spain	5	0.5%
21	Sri Lanka	5	0.5%
22	Switzerland	4	0.4%
23	Mexico	4	0.4%
24	Greece	4	0.4%
25	Hungary	3	0.3%
26	Iran, Islamic Republic of	3	0.3%
27	Iraq	2	0.2%
28	Ireland	2	0.2%
29	Czech Republic	2	0.2%
30	Malaysia	2	0.2%
31	Poland	2	0.2%
32	Peru	1	0.1%
33	Taiwan	1	0.1%
34	Thailand	1	0.1%
35	United Arab Emirates	1	0.1%
36	Ecuador	1	0.1%
37	Estonia	1	0.1%
38	Argentina	1	0.1%
39	Colombia	1	0.1%
40	Cyprus	1	0.1%