Rank	Countries/Territories	Count	Percent
1	China	420	45.5%
2	United States	224	24.2%
3	Germany	41	4.4%
4	India	25	2.7%
5	Japan	24	2.6%
6		18	1.9%
7	Canada	17	1.8%
8	Taiwan	15	1.6%
9	Singapore	12	1.3%
10	United Kingdom	11	1.2%
11	Netherlands	10	1.1%
12	Korea, Republic of	10	1.1%
13	Bulgaria	9	1%
14	Australia	9	1%
15	France	9	1%
16	Hong Kong	8	0.9%
17	Romania	7	0.8%
18	Turkey	7	0.8%
19	Ukraine	7	0.8%
20	Russia	6	0.6%
21	Ireland	5	0.5%
22	Mongolia	3	0.3%
23	Latvia	3	0.3%
24	Czech Republic	3	0.3%
25	Egypt	3	0.3%
26	Indonesia	2	0.2%
27	Iran, Islamic Republic of	2	0.2%
28	Poland	2	0.2%
29	Sweden	2	0.2%
30	Viet Nam	2	0.2%
31	Switzerland	1	0.1%
32	South Africa	1	0.1%
33	Spain	1	0.1%
34	Thailand	1	0.1%
35	Norway	1	0.1%
36	Mauritius	1	0.1%
37	Austria	1	0.1%
38	Bangladesh	1	0.1%