Rank	Countries/Territories	Count	Percent
1	United States	302	36.4%
2	China	258	31.1%
3	Germany	65	7.8%
4	Japan	22	2.7%
5	South Africa	20	2.4%
6	Australia	18	2.2%
7	France	16	1.9%
8	United Kingdom	14	1.7%
9	Netherlands	13	1.6%
10	Canada	10	1.2%
11	Brazil	9	1.1%
12	Spain	8	1%
13	Singapore	6	0.7%
14	Malaysia	6	0.7%
15	Poland	6	0.7%
16	Russia	5	0.6%
17	Cyprus	5	0.6%
18	Argentina	4	0.5%
19	Korea, Republic of	4	0.5%
20	Honduras	4	0.5%
21	Hong Kong	4	0.5%
22	India	3	0.4%
23	Iran, Islamic Republic of	3	0.4%
24	Ireland	3	0.4%
25	Norway	3	0.4%
26	Turkey	3	0.4%
27	Taiwan	2	0.2%
28	Slovakia	2	0.2%
29	Italy	2	0.2%
30	Bulgaria	2	0.2%
31		1	0.1%
32	Czech Republic	1	0.1%
33	Ethiopia	1	0.1%
34	Sweden	1	0.1%
35	Pakistan	1	0.1%
36	Mongolia	1	0.1%
37	Nigeria	1	0.1%