Rank	Countries/Territories	Count	Percent
1	United States	501	39.3%
2	China	332	26%
3	Germany	178	14%
4	France	54	4.2%
5		30	2.4%
6	Netherlands	28	2.2%
7	Japan	22	1.7%
8	Australia	15	1.2%
9	Bulgaria	10	0.8%
10	Cyprus	10	0.8%
11	Singapore	10	0.8%
12	Ukraine	10	0.8%
13	United Kingdom	10	0.8%
14	Korea, Republic of	8	0.6%
15	Canada	7	0.5%
16	Russia	7	0.5%
17	Thailand	6	0.5%
18	Turkey	3	0.2%
19	Pakistan	3	0.2%
20	Latvia	3	0.2%
21	Macao	3	0.2%
22	Mexico	2	0.2%
23	Portugal	2	0.2%
24	Romania	2	0.2%
25	South Africa	2	0.2%
26	India	2	0.2%
27	Croatia	2	0.2%
28	Argentina	2	0.2%
29	Belgium	1	0.1%
30	Burkina Faso	1	0.1%
31	Ireland	1	0.1%
32	Hong Kong	1	0.1%
33	Czech Republic	1	0.1%
34	Spain	1	0.1%
35	Sweden	1	0.1%
36	Mongolia	1	0.1%
37	Philippines	1	0.1%
38	Kuwait	1	0.1%
39	Viet Nam	1	0.1%