Rank	Countries/Territories	Count	Percent
1	United States	500	37.9%
2	China	465	35.3%
3	Germany	105	8%
4	Romania	46	3.5%
5	Japan	41	3.1%
6	France	35	2.7%
7	Singapore	18	1.4%
8	Netherlands	16	1.2%
9	Iran, Islamic Republic of	14	1.1%
10	Taiwan	13	1%
11	United Kingdom	12	0.9%
12	Korea, Republic of	9	0.7%
13	Cyprus	8	0.6%
14	Canada	4	0.3%
15		4	0.3%
16	Australia	4	0.3%
17	India	4	0.3%
18	Argentina	3	0.2%
19	Russia	3	0.2%
20	Sweden	2	0.2%
21	Portugal	2	0.2%
22	Brazil	2	0.2%
23	Denmark	2	0.2%
24	Hong Kong	2	0.2%
25	Georgia	1	0.1%
26	Bangladesh	1	0.1%
27	Thailand	1	0.1%
28	Norway	1	0.1%
29	Poland	1	0.1%