Rank	Countries/Territories	Count	Percent
1	United States	305	48.6%
2	China	111	17.7%
3	Germany	52	8.3%
4	Canada	18	2.9%
5	France	17	2.7%
6	United Kingdom	17	2.7%
7	Korea, Republic of	8	1.3%
8	India	8	1.3%
9	Japan	7	1.1%
10	Australia	7	1.1%
11	Greece	7	1.1%
12	Mexico	6	1%
13	South Africa	6	1%
14	Netherlands	5	0.8%
15	New Zealand	5	0.8%
16	Brazil	5	0.8%
17	Ireland	4	0.6%
18	Cyprus	4	0.6%
19	Singapore	4	0.6%
20	Russia	3	0.5%
21	Indonesia	3	0.5%
22	Israel	3	0.5%
23	Saudi Arabia	2	0.3%
24	Taiwan	2	0.3%
25	Malaysia	2	0.3%
26	Mauritius	2	0.3%
27	Philippines	2	0.3%
28	Zimbabwe	2	0.3%
29	Puerto Rico	1	0.2%
30	Nicaragua	1	0.2%
31	Ukraine	1	0.2%
32	Spain	1	0.2%
33	Sri Lanka	1	0.2%
34	Iraq	1	0.2%
35	Czech Republic	1	0.2%
36	Belgium	1	0.2%
37	Bosnia and Herzegovina	1	0.2%
38	Hong Kong	1	0.2%
39	Hungary	1	0.2%