Rank	Countries/Territories	Count	Percent
1	United States	590	40.7%
2	China	505	34.8%
3	Germany	99	6.8%
4	Singapore	47	3.2%
5	France	42	2.9%
6	Japan	18	1.2%
7	Canada	16	1.1%
8	Netherlands	15	1%
9	Australia	13	0.9%
10	Norway	12	0.8%
11	Thailand	10	0.7%
12	Hong Kong	10	0.7%
13	Cyprus	8	0.6%
14	United Kingdom	8	0.6%
15	Iran, Islamic Republic of	6	0.4%
16	Russia	5	0.3%
17	India	5	0.3%
18	South Africa	4	0.3%
19	Ireland	4	0.3%
20	Korea, Republic of	4	0.3%
21	Viet Nam	4	0.3%
22	Malaysia	3	0.2%
23	Mongolia	2	0.1%
24	Latvia	2	0.1%
25	Lithuania	2	0.1%
26	Spain	2	0.1%
27	Romania	2	0.1%
28	Ethiopia	2	0.1%
29	Brazil	2	0.1%
30	Bulgaria	1	0.1%
31	Austria	1	0.1%
32	Czech Republic	1	0.1%
33	El Salvador	1	0.1%
34	Argentina	1	0.1%
35	Indonesia	1	0.1%
36	Poland	1	0.1%
37	Turkey	1	0.1%
38	Kenya	1	0.1%