Rank	Countries/Territories	Count	Percent
1	United States	484	43.4%
2	China	319	28.6%
3	Germany	122	10.9%
4	France	30	2.7%
5	Singapore	28	2.5%
6	Japan	24	2.2%
7	Brazil	23	2.1%
8	United Kingdom	17	1.5%
9	Canada	10	0.9%
10	Cyprus	10	0.9%
11	Latvia	6	0.5%
12	Netherlands	6	0.5%
13	Iran, Islamic Republic of	6	0.5%
14	Hong Kong	5	0.4%
15	Argentina	3	0.3%
16	Norway	3	0.3%
17	Switzerland	3	0.3%
18	Ukraine	2	0.2%
19	South Africa	2	0.2%
20	Sweden	2	0.2%
21	Mexico	2	0.2%
22	Australia	2	0.2%
23	India	2	0.2%
24	Morocco	1	0.1%
25	Romania	1	0.1%
26	Russia	1	0.1%
27	United Arab Emirates	1	0.1%
28	Slovakia	1	0.1%