Rank	Countries/Territories	Count	Percent
1	China	491	37.8%
2	United States	477	36.7%
3	Germany	139	10.7%
4	Japan	60	4.6%
5	France	15	1.2%
6	Netherlands	13	1%
7	Korea, Republic of	12	0.9%
8	Australia	10	0.8%
9	Singapore	10	0.8%
10	Israel	6	0.5%
11	Italy	5	0.4%
12	Canada	5	0.4%
13	Hong Kong	5	0.4%
14	Switzerland	5	0.4%
15	Ukraine	4	0.3%
16	South Africa	4	0.3%
17	Romania	4	0.3%
18	Cyprus	4	0.3%
19	Spain	3	0.2%
20	Ireland	3	0.2%
21	Portugal	3	0.2%
22	United Kingdom	3	0.2%
23	Taiwan	2	0.2%
24	Bangladesh	2	0.2%
25	India	2	0.2%
26	Iran, Islamic Republic of	2	0.2%
27	Iraq	2	0.2%
28	Bulgaria	1	0.1%
29	Lithuania	1	0.1%
30	Malaysia	1	0.1%
31	Mongolia	1	0.1%
32	Turkey	1	0.1%
33	Viet Nam	1	0.1%
34	Norway	1	0.1%
35	Russia	1	0.1%