Rank	Countries/Territories	Count	Percent
1	United States	263	43.5%
2	China	157	26%
3	Germany	60	9.9%
4	France	17	2.8%
5	Bulgaria	13	2.2%
6	Japan	8	1.3%
7	Netherlands	8	1.3%
8	Switzerland	7	1.2%
9	Italy	7	1.2%
10	Canada	7	1.2%
11	United Arab Emirates	6	1%
12	Singapore	5	0.8%
13	Nigeria	5	0.8%
14	Cyprus	5	0.8%
15	Australia	4	0.7%
16	Korea, Republic of	3	0.5%
17	Russia	3	0.5%
18	Mauritius	3	0.5%
19	United Kingdom	3	0.5%
20	Ukraine	2	0.3%
21	South Africa	2	0.3%
22	Malaysia	2	0.3%
23	New Zealand	2	0.3%
24	Latvia	2	0.3%
25	Guatemala	2	0.3%
26	Hong Kong	1	0.2%
27	Ireland	1	0.2%
28	Austria	1	0.2%
29	Lithuania	1	0.2%
30	Saudi Arabia	1	0.2%
31	Philippines	1	0.2%
32	Spain	1	0.2%
33	Thailand	1	0.2%