Rank	Countries/Territories	Count	Percent
1	China	468	38.2%
2	United States	445	36.3%
3	Germany	96	7.8%
4		39	3.2%
5	Netherlands	29	2.4%
6	India	27	2.2%
7	Japan	26	2.1%
8	Canada	13	1.1%
9	Korea, Republic of	9	0.7%
10	Russia	8	0.7%
11	Hong Kong	5	0.4%
12	Australia	5	0.4%
13	Argentina	4	0.3%
14	France	4	0.3%
15	United Kingdom	4	0.3%
16	Singapore	3	0.2%
17	South Africa	3	0.2%
18	Spain	3	0.2%
19	Cyprus	3	0.2%
20	Bulgaria	3	0.2%
21	Belgium	2	0.2%
22	Iran, Islamic Republic of	2	0.2%
23	Ireland	2	0.2%
24	Italy	2	0.2%
25	Taiwan	2	0.2%
26	Latvia	2	0.2%
27	Mauritius	2	0.2%
28	Mexico	2	0.2%
29	Pakistan	2	0.2%
30	Philippines	2	0.2%
31	Romania	1	0.1%
32	Norway	1	0.1%
33	Mongolia	1	0.1%
34	Turkey	1	0.1%
35	Switzerland	1	0.1%
36	Greece	1	0.1%
37	Bangladesh	1	0.1%
38	Belarus	1	0.1%