Rank	Countries/Territories	Count	Percent
1	United States	508	24.6%
2	China	383	18.5%
3	Portugal	114	5.5%
4	Germany	102	4.9%
5	France	96	4.6%
6	Brazil	94	4.6%
7	Canada	90	4.4%
8	Taiwan	88	4.3%
9	Spain	78	3.8%
10	Japan	55	2.7%
11	India	48	2.3%
12	Denmark	46	2.2%
13	Iran, Islamic Republic of	30	1.5%
14	United Kingdom	26	1.3%
15	Colombia	25	1.2%
16	Australia	22	1.1%
17	Netherlands	22	1.1%
18	Belgium	21	1%
19	Peru	21	1%
20	Turkey	17	0.8%
21	Ecuador	14	0.7%
22	Luxembourg	13	0.6%
23	Singapore	12	0.6%
24	Sweden	11	0.5%
25	Korea, Republic of	11	0.5%
26	Ireland	11	0.5%
27	Hong Kong	8	0.4%
28	Russia	8	0.4%
29	Cyprus	7	0.3%
30	Greece	7	0.3%
31	Argentina	7	0.3%
32	Slovenia	6	0.3%
33	South Africa	6	0.3%
34	Pakistan	6	0.3%
35	Philippines	5	0.2%
36	Mexico	4	0.2%
37	Norway	4	0.2%
38	Bangladesh	4	0.2%
39	Italy	4	0.2%
40	Malaysia	3	0.1%
41	New Zealand	3	0.1%
42	Chile	3	0.1%
43	Saudi Arabia	3	0.1%
44	Romania	3	0.1%
45	Switzerland	3	0.1%
46	Austria	2	0.1%
47	Lithuania	2	0.1%
48	Iceland	2	0.1%
49	Hungary	1	0%
50	Kazakhstan	1	0%
51	Bosnia and Herzegovina	1	0%
52	Ethiopia	1	0%
53	Finland	1	0%
54	Ukraine	1	0%
55	Poland	1	0%