Rank	Countries/Territories	Count	Percent
1	United States	479	35.7%
2	China	445	33.2%
3	Germany	120	8.9%
4	Japan	68	5.1%
5	France	37	2.8%
6	Singapore	28	2.1%
7	Canada	23	1.7%
8	Netherlands	20	1.5%
9	Hong Kong	17	1.3%
10	Korea, Republic of	11	0.8%
11	Ireland	11	0.8%
12	Russia	9	0.7%
13	Turkey	7	0.5%
14	Romania	7	0.5%
15	India	6	0.4%
16	Thailand	5	0.4%
17	United Kingdom	5	0.4%
18	Sweden	4	0.3%
19	Iran, Islamic Republic of	4	0.3%
20	Latvia	4	0.3%
21	Cyprus	4	0.3%
22		3	0.2%
23	Australia	3	0.2%
24	Lithuania	3	0.2%
25	Mongolia	3	0.2%
26	South Africa	2	0.1%
27	Spain	2	0.1%
28	Pakistan	2	0.1%
29	Philippines	2	0.1%
30	Ukraine	2	0.1%
31	Malaysia	2	0.1%
32	Indonesia	1	0.1%
33	Bulgaria	1	0.1%
34	Argentina	1	0.1%
35	Egypt	1	0.1%