Rank	Countries/Territories	Count	Percent
1	China	509	40.3%
2	United States	453	35.9%
3	Germany	102	8.1%
4	France	73	5.8%
5	Korea, Republic of	19	1.5%
6	Austria	14	1.1%
7	Japan	11	0.9%
8	Netherlands	9	0.7%
9	Singapore	8	0.6%
10	Taiwan	7	0.6%
11	Canada	7	0.6%
12	India	6	0.5%
13	Indonesia	6	0.5%
14	Iran, Islamic Republic of	5	0.4%
15	Cyprus	5	0.4%
16	Australia	4	0.3%
17	Spain	4	0.3%
18	Bangladesh	3	0.2%
19	Denmark	2	0.2%
20	Russia	2	0.2%
21	Malaysia	2	0.2%
22	Mexico	2	0.2%
23	Viet Nam	2	0.2%
24	United Kingdom	2	0.2%
25	Thailand	1	0.1%
26	Ukraine	1	0.1%
27	Georgia	1	0.1%
28	Chile	1	0.1%
29	Hong Kong	1	0.1%
30	Ireland	1	0.1%