Rank	Countries/Territories	Count	Percent
1	United States	528	45.6%
2	China	339	29.3%
3	Germany	84	7.3%
4	Japan	44	3.8%
5	India	37	3.2%
6	Sweden	16	1.4%
7	Ukraine	14	1.2%
8	Singapore	12	1%
9	Hong Kong	10	0.9%
10	Turkey	8	0.7%
11	Senegal	7	0.6%
12	Netherlands	6	0.5%
13	Canada	6	0.5%
14	Italy	5	0.4%
15	Switzerland	5	0.4%
16	Tunisia	4	0.3%
17	Malaysia	4	0.3%
18	Iran, Islamic Republic of	4	0.3%
19	Cyprus	4	0.3%
20	France	3	0.3%
21	Bulgaria	2	0.2%
22	Korea, Republic of	2	0.2%
23	Latvia	2	0.2%
24	Taiwan	2	0.2%
25	Mongolia	2	0.2%
26	Romania	1	0.1%
27	Russia	1	0.1%
28	Spain	1	0.1%
29	United Kingdom	1	0.1%
30	Mauritius	1	0.1%
31	Australia	1	0.1%
32	Isle of Man	1	0.1%
33	Israel	1	0.1%