Rank	Countries/Territories	Count	Percent
1	United States	533	38.5%
2	China	259	18.7%
3	Germany	100	7.2%
4	Portugal	42	3%
5	Australia	38	2.7%
6	Netherlands	36	2.6%
7	Japan	32	2.3%
8	Spain	27	2%
9	Taiwan	24	1.7%
10	United Kingdom	22	1.6%
11	Canada	21	1.5%
12	Italy	20	1.4%
13	Sweden	19	1.4%
14	Korea, Republic of	18	1.3%
15	France	13	0.9%
16	Brazil	13	0.9%
17	Thailand	13	0.9%
18	Turkey	12	0.9%
19	Iran, Islamic Republic of	12	0.9%
20	Romania	11	0.8%
21	Norway	8	0.6%
22	Ireland	7	0.5%
23	Denmark	7	0.5%
24	Hong Kong	7	0.5%
25	Hungary	7	0.5%
26	India	5	0.4%
27	Mexico	5	0.4%
28	Austria	5	0.4%
29	Uganda	5	0.4%
30	Switzerland	5	0.4%
31	Argentina	4	0.3%
32	Cyprus	4	0.3%
33	Colombia	4	0.3%
34	Costa Rica	4	0.3%
35	Egypt	4	0.3%
36	Cuba	3	0.2%
37	Czech Republic	3	0.2%
38	Singapore	3	0.2%
39	South Africa	3	0.2%
40	Peru	3	0.2%
41	Puerto Rico	3	0.2%
42	Saudi Arabia	2	0.1%
43	Aland Islands	2	0.1%
44	Indonesia	2	0.1%
45	Malaysia	2	0.1%
46	Greece	2	0.1%
47	Israel	1	0.1%
48	Ecuador	1	0.1%
49	Algeria	1	0.1%
50	Brunei Darussalam	1	0.1%
51	Bangladesh	1	0.1%
52	Belgium	1	0.1%
53	Bosnia and Herzegovina	1	0.1%
54	Russia	1	0.1%
55	Philippines	1	0.1%
56	Ukraine	1	0.1%