Rank	Countries/Territories	Count	Percent
1	United States	407	35.1%
2	China	393	33.9%
3	Germany	126	10.9%
4	Singapore	24	2.1%
5	Korea, Republic of	23	2%
6	Netherlands	21	1.8%
7		21	1.8%
8	Japan	16	1.4%
9	Russia	13	1.1%
10	Australia	11	0.9%
11	Canada	11	0.9%
12	Cyprus	11	0.9%
13	France	9	0.8%
14	United Kingdom	8	0.7%
15	Indonesia	7	0.6%
16	Hong Kong	6	0.5%
17	Spain	6	0.5%
18	Iran, Islamic Republic of	4	0.3%
19	Israel	4	0.3%
20	Egypt	4	0.3%
21	Argentina	4	0.3%
22	Italy	3	0.3%
23	Latvia	3	0.3%
24	Philippines	3	0.3%
25	Turkey	3	0.3%
26	Taiwan	2	0.2%
27	Slovakia	2	0.2%
28	Malaysia	2	0.2%
29	Hungary	2	0.2%
30	India	2	0.2%
31	Finland	1	0.1%
32	Denmark	1	0.1%
33	Mexico	1	0.1%
34	Mongolia	1	0.1%
35	Sweden	1	0.1%
36	Switzerland	1	0.1%
37	Portugal	1	0.1%
38	Romania	1	0.1%
39	Lithuania	1	0.1%
40	Ukraine	1	0.1%