Rank	Countries/Territories	Count	Percent
1	United States	498	39.9%
2	China	356	28.5%
3	Germany	97	7.8%
4	France	76	6.1%
5	Japan	26	2.1%
6	Korea, Republic of	21	1.7%
7	India	19	1.5%
8		16	1.3%
9	United Kingdom	16	1.3%
10	Canada	14	1.1%
11	Cyprus	12	1%
12	Singapore	12	1%
13	Norway	8	0.6%
14	Ireland	7	0.6%
15	Netherlands	7	0.6%
16	Australia	7	0.6%
17	Bangladesh	7	0.6%
18	Iran, Islamic Republic of	6	0.5%
19	Hong Kong	6	0.5%
20	Poland	6	0.5%
21	Latvia	5	0.4%
22	Argentina	5	0.4%
23	Russia	3	0.2%
24	Kenya	2	0.2%
25	Taiwan	2	0.2%
26	Thailand	2	0.2%
27	Turkey	2	0.2%
28	Malaysia	2	0.2%
29	Mali	2	0.2%
30	Hungary	2	0.2%
31	Uganda	1	0.1%
32	Ukraine	1	0.1%
33	South Africa	1	0.1%
34	Switzerland	1	0.1%
35	Philippines	1	0.1%