Rank	Countries/Territories	Count	Percent
1	United States	236	29.5%
2	China	232	29%
3	Germany	89	11.1%
4		53	6.6%
5	Japan	18	2.3%
6	India	18	2.3%
7	Iran, Islamic Republic of	16	2%
8	France	16	2%
9	Spain	16	2%
10	United Kingdom	10	1.3%
11	Singapore	8	1%
12	Canada	8	1%
13	Taiwan	7	0.9%
14	Norway	6	0.8%
15	Ireland	6	0.8%
16	Korea, Republic of	6	0.8%
17	Netherlands	5	0.6%
18	Denmark	4	0.5%
19	Chile	4	0.5%
20	Colombia	4	0.5%
21	Australia	4	0.5%
22	Brazil	3	0.4%
23	Hong Kong	3	0.4%
24	Romania	3	0.4%
25	Turkey	3	0.4%
26	Saudi Arabia	3	0.4%
27	Russia	2	0.3%
28	Slovenia	2	0.3%
29	Hungary	2	0.3%
30	Egypt	2	0.3%
31	Belgium	2	0.3%
32	Cyprus	2	0.3%
33	Bangladesh	1	0.1%
34	Finland	1	0.1%
35	Lithuania	1	0.1%
36	Malaysia	1	0.1%
37	Mongolia	1	0.1%
38	Ukraine	1	0.1%