Rank	Countries/Territories	Count	Percent
1	United States	408	36.2%
2	China	360	32%
3	Germany	122	10.8%
4	France	29	2.6%
5	Poland	28	2.5%
6	India	24	2.1%
7	United Kingdom	20	1.8%
8	Netherlands	15	1.3%
9	Latvia	13	1.2%
10	Ireland	12	1.1%
11	Canada	12	1.1%
12	Japan	12	1.1%
13	Greece	10	0.9%
14	Korea, Republic of	8	0.7%
15	Singapore	7	0.6%
16	Romania	6	0.5%
17	Iran, Islamic Republic of	6	0.5%
18	Cyprus	4	0.4%
19	Ukraine	4	0.4%
20	Sweden	3	0.3%
21	Taiwan	3	0.3%
22	Norway	3	0.3%
23	Australia	3	0.3%
24	Israel	2	0.2%
25	Lithuania	2	0.2%
26	Malaysia	2	0.2%
27	Russia	2	0.2%
28	Viet Nam	2	0.2%
29	Philippines	1	0.1%
30	Thailand	1	0.1%
31	Mongolia	1	0.1%
32	Bangladesh	1	0.1%