Rank	Countries/Territories	Count	Percent
1	United States	837	39.7%
2	China	488	23.2%
3	Germany	152	7.2%
4	India	60	2.8%
5	Norway	53	2.5%
6	Netherlands	52	2.5%
7	Canada	50	2.4%
8		44	2.1%
9	Russia	42	2%
10	Sweden	40	1.9%
11	Brazil	25	1.2%
12	Japan	24	1.1%
13	Australia	22	1%
14	France	21	1%
15	Korea, Republic of	18	0.9%
16	Latvia	18	0.9%
17	Serbia	16	0.8%
18	Singapore	15	0.7%
19	Ireland	9	0.4%
20	Iran, Islamic Republic of	8	0.4%
21	Hong Kong	8	0.4%
22	Morocco	7	0.3%
23	Cyprus	7	0.3%
24	Turkey	7	0.3%
25	United Kingdom	7	0.3%
26	Moldova, Republic of	5	0.2%
27	Pakistan	5	0.2%
28	Libya	5	0.2%
29	Denmark	4	0.2%
30	Spain	4	0.2%
31	Taiwan	4	0.2%
32	Ukraine	4	0.2%
33	South Africa	3	0.1%
34	Poland	3	0.1%
35	Czech Republic	3	0.1%
36	Colombia	3	0.1%
37	Luxembourg	3	0.1%
38	Nepal	2	0.1%
39	Indonesia	2	0.1%
40	Lebanon	2	0.1%
41	Cote D'ivoire	2	0.1%
42	Greece	2	0.1%
43	Belgium	2	0.1%
44	Burkina Faso	2	0.1%
45	Argentina	2	0.1%
46	Slovenia	2	0.1%
47	Switzerland	2	0.1%
48	Syrian Arab Republic	2	0.1%
49	Seychelles	2	0.1%
50	Palestine, State of	1	0%
51	Peru	1	0%
52	Slovakia	1	0%
53	Algeria	1	0%
54	Hungary	1	0%
55	Lithuania	1	0%
56	Israel	1	0%