Rank	Countries/Territories	Count	Percent
1	United States	446	34.5%
2	China	335	25.9%
3	Germany	113	8.7%
4	United Kingdom	53	4.1%
5	Denmark	42	3.2%
6	Korea, Republic of	26	2%
7	Japan	25	1.9%
8	Brazil	25	1.9%
9	India	19	1.5%
10	Latvia	14	1.1%
11	Taiwan	14	1.1%
12	Australia	13	1%
13	France	12	0.9%
14	Czech Republic	11	0.9%
15	Netherlands	11	0.9%
16	Chile	10	0.8%
17	Canada	9	0.7%
18	Spain	9	0.7%
19	Turkey	9	0.7%
20	Russia	7	0.5%
21	Cyprus	7	0.5%
22	Pakistan	7	0.5%
23	Ireland	6	0.5%
24	Greece	6	0.5%
25	Hong Kong	6	0.5%
26	Ukraine	6	0.5%
27	Belgium	5	0.4%
28	Italy	4	0.3%
29	United Arab Emirates	4	0.3%
30	Thailand	4	0.3%
31	Singapore	3	0.2%
32	Israel	3	0.2%
33	Indonesia	3	0.2%
34	Iran, Islamic Republic of	2	0.2%
35	Iraq	2	0.2%
36	Malaysia	2	0.2%
37	Poland	2	0.2%
38	Norway	2	0.2%
39	Armenia	2	0.2%
40	Egypt	2	0.2%
41	South Africa	2	0.2%
42	Saudi Arabia	2	0.2%
43	Tanzania, United Republic of	2	0.2%
44	Sweden	1	0.1%
45	Switzerland	1	0.1%
46	Georgia	1	0.1%
47	Austria	1	0.1%
48	Lebanon	1	0.1%
49	Philippines	1	0.1%