Rank	Countries/Territories	Count	Percent
1	United States	372	31.9%
2	China	359	30.8%
3	Germany	142	12.2%
4	Iran, Islamic Republic of	52	4.5%
5	Lithuania	46	3.9%
6	France	40	3.4%
7	Singapore	25	2.1%
8	Canada	19	1.6%
9	Japan	18	1.5%
10	Cyprus	16	1.4%
11		11	0.9%
12	Spain	11	0.9%
13	United Kingdom	10	0.9%
14	Australia	7	0.6%
15	Hong Kong	7	0.6%
16	India	6	0.5%
17	Ireland	4	0.3%
18	Netherlands	4	0.3%
19	Russia	3	0.3%
20	Sweden	2	0.2%
21	Switzerland	2	0.2%
22	Ukraine	2	0.2%
23	Latvia	2	0.2%
24	Malaysia	2	0.2%
25	Bangladesh	2	0.2%
26	Bulgaria	2	0.2%
27	Norway	1	0.1%