Rank	Countries/Territories	Count	Percent
1	United States	541	38%
2	China	264	18.6%
3	Germany	103	7.2%
4	Portugal	45	3.2%
5	Australia	39	2.7%
6	Netherlands	37	2.6%
7	Japan	32	2.2%
8	Spain	27	1.9%
9	Taiwan	24	1.7%
10	United Kingdom	22	1.5%
11	Canada	22	1.5%
12	Italy	21	1.5%
13	Sweden	19	1.3%
14	Korea, Republic of	18	1.3%
15	Brazil	15	1.1%
16	Thailand	15	1.1%
17	France	13	0.9%
18	Iran, Islamic Republic of	12	0.8%
19	Turkey	12	0.8%
20	Romania	11	0.8%
21	Norway	8	0.6%
22	Hong Kong	8	0.6%
23	Hungary	7	0.5%
24	Denmark	7	0.5%
25	Ireland	7	0.5%
26	India	6	0.4%
27	Mexico	5	0.4%
28	Austria	5	0.4%
29	Argentina	5	0.4%
30	Uganda	5	0.4%
31	Switzerland	5	0.4%
32	Ukraine	4	0.3%
33	Russia	4	0.3%
34	Cyprus	4	0.3%
35	Colombia	4	0.3%
36	Costa Rica	4	0.3%
37	Belgium	4	0.3%
38	Egypt	4	0.3%
39	Cuba	3	0.2%
40	Czech Republic	3	0.2%
41	Puerto Rico	3	0.2%
42	Peru	3	0.2%
43	Singapore	3	0.2%
44	South Africa	3	0.2%
45	Saudi Arabia	2	0.1%
46	Aland Islands	2	0.1%
47	Indonesia	2	0.1%
48	Malaysia	2	0.1%
49	Greece	2	0.1%
50	Israel	1	0.1%
51	Ecuador	1	0.1%
52	Algeria	1	0.1%
53	Bangladesh	1	0.1%
54	Bosnia and Herzegovina	1	0.1%
55	Brunei Darussalam	1	0.1%
56	Philippines	1	0.1%