Rank	Countries/Territories	Count	Percent
1	United States	501	36.2%
2	China	284	20.5%
3	Germany	111	8%
4	Canada	95	6.9%
5	Australia	55	4%
6	Japan	37	2.7%
7	Korea, Republic of	35	2.5%
8	Brazil	33	2.4%
9	India	28	2%
10	United Kingdom	21	1.5%
11	Spain	21	1.5%
12	Netherlands	19	1.4%
13	South Africa	13	0.9%
14	Singapore	11	0.8%
15	France	11	0.8%
16	Belgium	10	0.7%
17	Czech Republic	9	0.6%
18	Greece	8	0.6%
19	Hong Kong	8	0.6%
20	Mexico	8	0.6%
21	Italy	7	0.5%
22	Norway	7	0.5%
23	Cyprus	7	0.5%
24	Taiwan	6	0.4%
25	Israel	5	0.4%
26	Russia	4	0.3%
27	Saudi Arabia	4	0.3%
28	Colombia	4	0.3%
29	Iran, Islamic Republic of	3	0.2%
30	Ireland	3	0.2%
31	Sweden	3	0.2%
32	Switzerland	2	0.1%
33	Indonesia	2	0.1%
34	Poland	2	0.1%
35	Romania	2	0.1%
36	Malaysia	2	0.1%
37	Lithuania	1	0.1%
38	Luxembourg	1	0.1%
39	Austria	1	0.1%
40	Sri Lanka	1	0.1%