Rank	Countries/Territories	Count	Percent
1	United States	311	33.1%
2	China	283	30.1%
3	Germany	80	8.5%
4	Brazil	31	3.3%
5	Japan	21	2.2%
6	Korea, Republic of	21	2.2%
7	India	20	2.1%
8		17	1.8%
9	Canada	16	1.7%
10	United Kingdom	11	1.2%
11	Netherlands	10	1.1%
12	Mexico	9	1%
13	France	8	0.9%
14	Hong Kong	8	0.9%
15	Australia	6	0.6%
16	Spain	6	0.6%
17	Turkey	6	0.6%
18	Switzerland	5	0.5%
19	Portugal	5	0.5%
20	Romania	5	0.5%
21	Egypt	5	0.5%
22	Norway	5	0.5%
23	Indonesia	5	0.5%
24	Iran, Islamic Republic of	4	0.4%
25	Malaysia	4	0.4%
26	Nigeria	4	0.4%
27	Cyprus	3	0.3%
28	Argentina	3	0.3%
29	Czech Republic	2	0.2%
30	Ghana	2	0.2%
31	Italy	2	0.2%
32	Philippines	2	0.2%
33	Mauritius	2	0.2%
34	Latvia	2	0.2%
35	Ireland	2	0.2%
36	Singapore	2	0.2%
37	Taiwan	2	0.2%
38	Ukraine	1	0.1%
39	Slovenia	1	0.1%
40	Viet Nam	1	0.1%
41	Israel	1	0.1%
42	Poland	1	0.1%
43	Pakistan	1	0.1%
44	Guatemala	1	0.1%
45	Ethiopia	1	0.1%
46	Bangladesh	1	0.1%
47	Colombia	1	0.1%