Rank	Countries/Territories	Count	Percent
1	United States	402	38.1%
2	China	400	37.9%
3	Germany	30	2.8%
4	Japan	27	2.6%
5	United Kingdom	25	2.4%
6	Netherlands	25	2.4%
7	Turkey	23	2.2%
8	Canada	16	1.5%
9	Singapore	11	1%
10	Australia	10	0.9%
11	Cyprus	9	0.9%
12	France	9	0.9%
13	Ukraine	9	0.9%
14	Denmark	7	0.7%
15	Argentina	6	0.6%
16	India	6	0.6%
17	Hong Kong	4	0.4%
18	Iran, Islamic Republic of	4	0.4%
19	Bangladesh	4	0.4%
20	South Africa	4	0.4%
21	Taiwan	4	0.4%
22	Nigeria	3	0.3%
23	Indonesia	3	0.3%
24	Greece	2	0.2%
25	Philippines	2	0.2%
26	Latvia	2	0.2%
27	Malaysia	2	0.2%
28	Mexico	2	0.2%
29	Poland	1	0.1%
30	Thailand	1	0.1%
31	Bulgaria	1	0.1%
32	Ireland	1	0.1%
33	Korea, Republic of	1	0.1%