Rank	Countries/Territories	Count	Percent
1	United States	323	33.9%
2	China	203	21.3%
3	Germany	68	7.1%
4	Portugal	38	4%
5	Australia	25	2.6%
6	Japan	24	2.5%
7	Spain	23	2.4%
8	Taiwan	19	2%
9	Netherlands	16	1.7%
10	United Kingdom	15	1.6%
11	Korea, Republic of	14	1.5%
12	Canada	14	1.5%
13	Thailand	13	1.4%
14	Sweden	13	1.4%
15	Iran, Islamic Republic of	12	1.3%
16	Romania	11	1.2%
17	Italy	11	1.2%
18	France	10	1%
19	Hungary	7	0.7%
20	Denmark	7	0.7%
21	Ireland	6	0.6%
22	India	5	0.5%
23	Mexico	5	0.5%
24	Norway	5	0.5%
25	Austria	5	0.5%
26	Switzerland	5	0.5%
27	Uganda	5	0.5%
28	Colombia	4	0.4%
29	Costa Rica	4	0.4%
30	Egypt	4	0.4%
31	Brazil	3	0.3%
32	Cuba	3	0.3%
33	Cyprus	3	0.3%
34	Czech Republic	3	0.3%
35	Hong Kong	3	0.3%
36	Singapore	3	0.3%
37	South Africa	3	0.3%
38	Saudi Arabia	2	0.2%
39	Indonesia	2	0.2%
40	Malaysia	2	0.2%
41	Peru	2	0.2%
42	Aland Islands	2	0.2%
43	Greece	2	0.2%
44	Ecuador	1	0.1%
45	Belgium	1	0.1%
46	Bosnia and Herzegovina	1	0.1%
47	Philippines	1	0.1%
48	Russia	1	0.1%
49	Ukraine	1	0.1%