Rank	Countries/Territories	Count	Percent
1	United States	389	36.1%
2	China	349	32.4%
3	Germany	126	11.7%
4	Korea, Republic of	22	2%
5		21	1.9%
6	Netherlands	20	1.9%
7	Singapore	18	1.7%
8	Japan	13	1.2%
9	Russia	13	1.2%
10	Australia	11	1%
11	Canada	11	1%
12	Cyprus	9	0.8%
13	France	9	0.8%
14	United Kingdom	8	0.7%
15	Indonesia	7	0.6%
16	Hong Kong	5	0.5%
17	Iran, Islamic Republic of	4	0.4%
18	Israel	4	0.4%
19	Egypt	4	0.4%
20	Argentina	4	0.4%
21	Spain	4	0.4%
22	Latvia	3	0.3%
23	Philippines	3	0.3%
24	Taiwan	2	0.2%
25	Slovakia	2	0.2%
26	Malaysia	2	0.2%
27	Italy	2	0.2%
28	Hungary	2	0.2%
29	India	2	0.2%
30	Finland	1	0.1%
31	Denmark	1	0.1%
32	Mongolia	1	0.1%
33	Ukraine	1	0.1%
34	Sweden	1	0.1%
35	Switzerland	1	0.1%
36	Portugal	1	0.1%
37	Romania	1	0.1%
38	Lithuania	1	0.1%