Rank	Countries/Territories	Count	Percent
1	United States	334	36.3%
2	China	286	31.1%
3	Germany	92	10%
4	Japan	54	5.9%
5	Singapore	23	2.5%
6	France	22	2.4%
7	Hong Kong	16	1.7%
8	Netherlands	14	1.5%
9	Ireland	11	1.2%
10	Korea, Republic of	9	1%
11	Russia	8	0.9%
12	Romania	7	0.8%
13	Turkey	6	0.7%
14	Thailand	5	0.5%
15	Sweden	4	0.4%
16	India	4	0.4%
17	Lithuania	3	0.3%
18	Malaysia	2	0.2%
19	Cyprus	2	0.2%
20	Iran, Islamic Republic of	2	0.2%
21	South Africa	2	0.2%
22	Spain	2	0.2%
23	Pakistan	2	0.2%
24	Philippines	2	0.2%
25	Ukraine	2	0.2%
26	United Kingdom	1	0.1%
27	Argentina	1	0.1%
28	Australia	1	0.1%
29	Bulgaria	1	0.1%
30	Canada	1	0.1%
31	Egypt	1	0.1%
32	Mongolia	1	0.1%