Rank	Countries/Territories	Count	Percent
1	United States	354	23.6%
2	China	296	19.7%
3	Canada	89	5.9%
4	Portugal	84	5.6%
5	Taiwan	81	5.4%
6	Brazil	70	4.7%
7	Germany	67	4.5%
8	Spain	64	4.3%
9	Denmark	46	3.1%
10	Japan	38	2.5%
11	France	25	1.7%
12	Colombia	24	1.6%
13	Iran, Islamic Republic of	23	1.5%
14	India	22	1.5%
15	United Kingdom	21	1.4%
16	Peru	17	1.1%
17	Australia	16	1.1%
18	Netherlands	14	0.9%
19	Luxembourg	13	0.9%
20	Belgium	13	0.9%
21	Turkey	13	0.9%
22	Ecuador	12	0.8%
23	Singapore	10	0.7%
24	Korea, Republic of	9	0.6%
25	Ireland	9	0.6%
26	Sweden	7	0.5%
27	Slovenia	6	0.4%
28	South Africa	6	0.4%
29	Pakistan	6	0.4%
30	Philippines	5	0.3%
31	Cyprus	5	0.3%
32	Norway	4	0.3%
33	Mexico	4	0.3%
34	Malaysia	3	0.2%
35	Romania	3	0.2%
36	Saudi Arabia	3	0.2%
37	Switzerland	2	0.1%
38	Russia	2	0.1%
39	Chile	2	0.1%
40	Austria	2	0.1%
41	Iceland	2	0.1%
42	Hong Kong	2	0.1%
43	Hungary	1	0.1%
44	Finland	1	0.1%
45	Bosnia and Herzegovina	1	0.1%
46	Poland	1	0.1%
47	New Zealand	1	0.1%
48	Italy	1	0.1%
49	Kazakhstan	1	0.1%