Rank	Countries/Territories	Count	Percent
1	United States	526	40.2%
2	China	340	26%
3	Germany	197	15.1%
4	Japan	42	3.2%
5	France	35	2.7%
6	Switzerland	33	2.5%
7	Netherlands	19	1.5%
8	Cyprus	18	1.4%
9	Singapore	12	0.9%
10	Canada	9	0.7%
11	South Africa	8	0.6%
12	Latvia	7	0.5%
13	Lithuania	6	0.5%
14	Romania	6	0.5%
15	Spain	5	0.4%
16	United Kingdom	5	0.4%
17	Ireland	5	0.4%
18	Australia	5	0.4%
19	Bangladesh	4	0.3%
20	Turkey	4	0.3%
21	Taiwan	3	0.2%
22	Brazil	3	0.2%
23	Iceland	3	0.2%
24	Hong Kong	2	0.2%
25	Bulgaria	2	0.2%
26	Denmark	2	0.2%
27	Poland	2	0.2%
28	United Arab Emirates	1	0.1%
29	Russia	1	0.1%
30	Serbia	1	0.1%
31	Nigeria	1	0.1%
32	Luxembourg	1	0.1%