Rank	Countries/Territories	Count	Percent
1	United States	472	40.4%
2	China	349	29.9%
3	Germany	109	9.3%
4	Canada	37	3.2%
5	Japan	26	2.2%
6	Singapore	19	1.6%
7	Netherlands	17	1.5%
8	France	15	1.3%
9	Korea, Republic of	14	1.2%
10	Australia	12	1%
11	Romania	11	0.9%
12	South Africa	8	0.7%
13	Cyprus	8	0.7%
14	Latvia	6	0.5%
15	Jordan	5	0.4%
16	Bulgaria	4	0.3%
17	Saudi Arabia	4	0.3%
18	Poland	4	0.3%
19	Turkey	4	0.3%
20	Ukraine	4	0.3%
21	United Kingdom	3	0.3%
22	Taiwan	3	0.3%
23	Russia	3	0.3%
24	Argentina	3	0.3%
25	Kenya	2	0.2%
26	Hong Kong	2	0.2%
27	India	2	0.2%
28	Philippines	2	0.2%
29	Sri Lanka	2	0.2%
30	Portugal	2	0.2%
31	Mongolia	2	0.2%
32	Malaysia	2	0.2%
33	Viet Nam	2	0.2%
34	Mauritius	1	0.1%
35	Pakistan	1	0.1%
36	Sweden	1	0.1%
37	Indonesia	1	0.1%
38	Greece	1	0.1%
39	Honduras	1	0.1%
40	Lithuania	1	0.1%
41	Bangladesh	1	0.1%
42	Cote D'ivoire	1	0.1%