Rank	Countries/Territories	Count	Percent
1	United States	282	28.1%
2	China	263	26.2%
3	Germany	77	7.7%
4	India	37	3.7%
5	Netherlands	36	3.6%
6	United Kingdom	29	2.9%
7	Italy	22	2.2%
8	Brazil	22	2.2%
9	Canada	18	1.8%
10	Japan	16	1.6%
11	Spain	14	1.4%
12	Portugal	13	1.3%
13	France	12	1.2%
14	Australia	12	1.2%
15	Norway	11	1.1%
16	Ukraine	11	1.1%
17	Iran, Islamic Republic of	10	1%
18	Mexico	8	0.8%
19	Sweden	8	0.8%
20	Nigeria	7	0.7%
21	Cyprus	7	0.7%
22	Hong Kong	6	0.6%
23	Malaysia	6	0.6%
24	Ireland	6	0.6%
25	Pakistan	6	0.6%
26	Singapore	6	0.6%
27	South Africa	6	0.6%
28	Taiwan	5	0.5%
29	Romania	5	0.5%
30	Poland	5	0.5%
31	Czech Republic	5	0.5%
32	Egypt	3	0.3%
33	Finland	3	0.3%
34	Russia	3	0.3%
35	Turkey	3	0.3%
36	Tanzania, United Republic of	2	0.2%
37	Slovenia	2	0.2%
38	Korea, Republic of	2	0.2%
39	New Zealand	2	0.2%
40	Hungary	2	0.2%
41	Iraq	2	0.2%
42	Denmark	2	0.2%
43	Ecuador	2	0.2%
44	Bahrain	1	0.1%
45	Ghana	1	0.1%
46	Oman	1	0.1%
47	Switzerland	1	0.1%
48	Viet Nam	1	0.1%