Rank	Countries/Territories	Count	Percent
1	China	363	35.9%
2	United States	345	34.1%
3	Germany	137	13.6%
4	Japan	56	5.5%
5	Korea, Republic of	12	1.2%
6	Netherlands	11	1.1%
7	Singapore	10	1%
8	Australia	8	0.8%
9	France	7	0.7%
10	Israel	6	0.6%
11	Switzerland	5	0.5%
12	Canada	5	0.5%
13	Hong Kong	5	0.5%
14	Cyprus	4	0.4%
15	Ukraine	4	0.4%
16	South Africa	4	0.4%
17	Romania	4	0.4%
18	Spain	3	0.3%
19	Portugal	3	0.3%
20	United Kingdom	3	0.3%
21	Ireland	3	0.3%
22	Iran, Islamic Republic of	2	0.2%
23	Iraq	2	0.2%
24	Taiwan	2	0.2%
25	Turkey	1	0.1%
26	Viet Nam	1	0.1%
27	India	1	0.1%
28	Norway	1	0.1%
29	Lithuania	1	0.1%
30	Malaysia	1	0.1%
31	Mongolia	1	0.1%