Rank	Countries/Territories	Count	Percent
1	United States	460	40.6%
2	China	372	32.8%
3	Germany	108	9.5%
4	Japan	34	3%
5	France	20	1.8%
6	Canada	18	1.6%
7	India	14	1.2%
8	Sweden	13	1.1%
9	Singapore	10	0.9%
10	Ireland	9	0.8%
11	Cyprus	8	0.7%
12	Russia	8	0.7%
13	Netherlands	7	0.6%
14	Bulgaria	7	0.6%
15	South Africa	6	0.5%
16	Nigeria	5	0.4%
17	Australia	4	0.4%
18	Hong Kong	3	0.3%
19	Latvia	3	0.3%
20	Thailand	3	0.3%
21	Ukraine	2	0.2%
22	United Kingdom	2	0.2%
23	Viet Nam	2	0.2%
24	Philippines	2	0.2%
25	Poland	2	0.2%
26	Iran, Islamic Republic of	2	0.2%
27	Korea, Republic of	2	0.2%
28	Belgium	2	0.2%
29	Argentina	1	0.1%
30	Italy	1	0.1%
31	Mauritius	1	0.1%
32	Spain	1	0.1%
33	Turkey	1	0.1%