Rank	Countries/Territories	Count	Percent
1	China	560	36.6%
2	United States	500	32.6%
3	Germany	139	9.1%
4	Singapore	61	4%
5		46	3%
6	France	38	2.5%
7	Latvia	32	2.1%
8	Canada	30	2%
9	Japan	25	1.6%
10	Netherlands	20	1.3%
11	Australia	17	1.1%
12	Hong Kong	12	0.8%
13	Argentina	9	0.6%
14	United Kingdom	9	0.6%
15	Switzerland	8	0.5%
16	Cyprus	4	0.3%
17	Colombia	2	0.1%
18	Iran, Islamic Republic of	2	0.1%
19	Iraq	2	0.1%
20	Ireland	2	0.1%
21	Korea, Republic of	2	0.1%
22	Lithuania	2	0.1%
23	Russia	2	0.1%
24	Mongolia	2	0.1%
25	Nepal	1	0.1%
26	Ukraine	1	0.1%
27	South Africa	1	0.1%
28	Malaysia	1	0.1%
29	Egypt	1	0.1%
30	Finland	1	0.1%