Rank	Countries/Territories	Count	Percent
1	United States	276	37.8%
2	China	231	31.6%
3	Germany	60	8.2%
4	Japan	22	3%
5	South Africa	19	2.6%
6	France	15	2.1%
7	Netherlands	12	1.6%
8	United Kingdom	12	1.6%
9	Canada	10	1.4%
10	Brazil	9	1.2%
11	Malaysia	6	0.8%
12	Singapore	6	0.8%
13	Russia	5	0.7%
14	Honduras	4	0.5%
15	Hong Kong	4	0.5%
16	Cyprus	4	0.5%
17	India	3	0.4%
18	Iran, Islamic Republic of	3	0.4%
19	Ireland	3	0.4%
20	Norway	3	0.4%
21	Turkey	3	0.4%
22	Taiwan	2	0.3%
23	Spain	2	0.3%
24	Slovakia	2	0.3%
25	Italy	2	0.3%
26	Australia	2	0.3%
27	Bulgaria	2	0.3%
28		1	0.1%
29	Argentina	1	0.1%
30	Ethiopia	1	0.1%
31	Mongolia	1	0.1%
32	Korea, Republic of	1	0.1%
33	Pakistan	1	0.1%
34	Poland	1	0.1%
35	Nigeria	1	0.1%
36	Sweden	1	0.1%