Rank	Countries/Territories	Count	Percent
1	United States	588	45.6%
2	China	269	20.9%
3	Germany	124	9.6%
4	Spain	36	2.8%
5	France	29	2.2%
6	Japan	25	1.9%
7	Netherlands	21	1.6%
8	India	21	1.6%
9	Brazil	16	1.2%
10	Canada	16	1.2%
11	Singapore	14	1.1%
12		13	1%
13	Russia	12	0.9%
14	Australia	10	0.8%
15	Norway	9	0.7%
16	United Kingdom	8	0.6%
17	Ireland	7	0.5%
18	Italy	7	0.5%
19	Cyprus	6	0.5%
20	Argentina	6	0.5%
21	Romania	6	0.5%
22	Slovakia	5	0.4%
23	Austria	5	0.4%
24	Belgium	4	0.3%
25	Chile	4	0.3%
26	Bulgaria	4	0.3%
27	Hong Kong	4	0.3%
28	Iran, Islamic Republic of	4	0.3%
29	Saudi Arabia	3	0.2%
30	Sweden	3	0.2%
31	Switzerland	2	0.2%
32	Malaysia	2	0.2%
33	Mexico	2	0.2%
34	South Africa	1	0.1%
35	Taiwan	1	0.1%
36	Turkey	1	0.1%
37	Ukraine	1	0.1%
38	Czech Republic	1	0.1%