Rank	Countries/Territories	Count	Percent
1	United States	331	36.8%
2	China	276	30.7%
3	Germany	72	8%
4	South Africa	24	2.7%
5	Japan	22	2.4%
6	Australia	22	2.4%
7	France	19	2.1%
8	United Kingdom	14	1.6%
9	Netherlands	13	1.4%
10	Canada	11	1.2%
11	Brazil	9	1%
12	Spain	8	0.9%
13	Singapore	7	0.8%
14	Poland	6	0.7%
15	Korea, Republic of	6	0.7%
16	Malaysia	6	0.7%
17	Cyprus	5	0.6%
18	Russia	5	0.6%
19	Bulgaria	4	0.4%
20	Argentina	4	0.4%
21	Honduras	4	0.4%
22	Hong Kong	4	0.4%
23	India	3	0.3%
24	Iran, Islamic Republic of	3	0.3%
25	Ireland	3	0.3%
26	Norway	3	0.3%
27	Turkey	3	0.3%
28	Taiwan	2	0.2%
29	Slovakia	2	0.2%
30	Italy	2	0.2%
31	Mongolia	1	0.1%
32		1	0.1%
33	Czech Republic	1	0.1%
34	Ethiopia	1	0.1%
35	Sweden	1	0.1%
36	Pakistan	1	0.1%
37	Nigeria	1	0.1%