Rank	Countries/Territories	Count	Percent
1	United States	324	25.4%
2	China	317	24.8%
3	Japan	200	15.7%
4	Germany	98	7.7%
5	Singapore	48	3.8%
6	Korea, Republic of	46	3.6%
7	Romania	31	2.4%
8	India	31	2.4%
9	France	25	2%
10	Hong Kong	14	1.1%
11	Iran, Islamic Republic of	13	1%
12	Malaysia	13	1%
13	Australia	12	0.9%
14	Spain	11	0.9%
15	Netherlands	9	0.7%
16	Portugal	8	0.6%
17	Poland	7	0.5%
18	Cyprus	5	0.4%
19	Taiwan	5	0.4%
20	United Kingdom	5	0.4%
21	Turkey	4	0.3%
22	Ukraine	4	0.3%
23	Ireland	4	0.3%
24	Indonesia	4	0.3%
25	South Africa	4	0.3%
26	Lithuania	4	0.3%
27	Norway	3	0.2%
28	Hungary	3	0.2%
29	Ecuador	2	0.2%
30	Egypt	2	0.2%
31	Brunei Darussalam	2	0.2%
32	Canada	2	0.2%
33	Pakistan	2	0.2%
34	Peru	2	0.2%
35	Philippines	2	0.2%
36	Kenya	2	0.2%
37	New Zealand	2	0.2%
38	Saudi Arabia	1	0.1%
39	Serbia	1	0.1%
40	Bangladesh	1	0.1%
41	Benin	1	0.1%
42	Finland	1	0.1%
43	Argentina	1	0.1%
44	Thailand	1	0.1%