Rank	Countries/Territories	Count	Percent
1	United States	607	35.3%
2	China	466	27.1%
3	Japan	181	10.5%
4	Germany	139	8.1%
5	Singapore	79	4.6%
6	Argentina	43	2.5%
7	Korea, Republic of	32	1.9%
8	United Kingdom	21	1.2%
9	Australia	19	1.1%
10	Canada	15	0.9%
11	Netherlands	14	0.8%
12	Taiwan	11	0.6%
13	France	10	0.6%
14	Hong Kong	10	0.6%
15	Malaysia	9	0.5%
16	Brazil	7	0.4%
17	Cyprus	6	0.3%
18	Iran, Islamic Republic of	6	0.3%
19	Ireland	5	0.3%
20	India	5	0.3%
21	Bangladesh	4	0.2%
22	Thailand	4	0.2%
23	Russia	3	0.2%
24	Ukraine	3	0.2%
25	Viet Nam	3	0.2%
26	Norway	2	0.1%
27	Poland	2	0.1%
28	Czech Republic	2	0.1%
29	Italy	2	0.1%
30	Mexico	2	0.1%
31	Mongolia	1	0.1%
32	New Zealand	1	0.1%
33	Nigeria	1	0.1%
34	Portugal	1	0.1%
35	Turkey	1	0.1%
36	Slovakia	1	0.1%
37	Spain	1	0.1%
38	Uzbekistan	1	0.1%