Rank	Countries/Territories	Count	Percent
1	United States	515	40.6%
2	China	500	39.4%
3	Germany	102	8%
4	Netherlands	21	1.7%
5	France	15	1.2%
6	Canada	14	1.1%
7	Colombia	10	0.8%
8	Australia	8	0.6%
9	Singapore	7	0.6%
10	Turkey	7	0.6%
11	Italy	7	0.6%
12	Japan	7	0.6%
13	Cyprus	5	0.4%
14	United Kingdom	5	0.4%
15	Korea, Republic of	4	0.3%
16	Mongolia	4	0.3%
17	Malta	3	0.2%
18	Argentina	3	0.2%
19	India	3	0.2%
20	Hong Kong	2	0.2%
21	Hungary	2	0.2%
22	Greece	2	0.2%
23	Brazil	2	0.2%
24	Ecuador	2	0.2%
25	Mexico	2	0.2%
26	Iran, Islamic Republic of	2	0.2%
27	Russia	2	0.2%
28	Norway	2	0.2%
29	Ukraine	2	0.2%
30	Spain	1	0.1%
31	Romania	1	0.1%
32	Israel	1	0.1%
33	Malaysia	1	0.1%
34	Egypt	1	0.1%
35	Austria	1	0.1%
36	Guyana	1	0.1%
37	Indonesia	1	0.1%