Rank	Countries/Territories	Count	Percent
1	United States	535	33.4%
2	China	428	26.7%
3	Germany	140	8.7%
4	United Kingdom	110	6.9%
5	Denmark	42	2.6%
6	Japan	31	1.9%
7	Brazil	30	1.9%
8	Korea, Republic of	27	1.7%
9	India	22	1.4%
10	France	18	1.1%
11	Netherlands	16	1%
12	Latvia	14	0.9%
13	Australia	14	0.9%
14	Taiwan	14	0.9%
15	Chile	12	0.7%
16	Czech Republic	11	0.7%
17	Canada	9	0.6%
18	Turkey	9	0.6%
19	Spain	9	0.6%
20	Cyprus	8	0.5%
21	Pakistan	7	0.4%
22	Hong Kong	7	0.4%
23	Italy	7	0.4%
24	Russia	7	0.4%
25	Ukraine	6	0.4%
26	United Arab Emirates	6	0.4%
27	Ireland	6	0.4%
28	Belgium	6	0.4%
29	Greece	6	0.4%
30	Indonesia	5	0.3%
31	Thailand	4	0.2%
32	Malaysia	3	0.2%
33	Singapore	3	0.2%
34	Israel	3	0.2%
35	Iran, Islamic Republic of	2	0.1%
36	Iraq	2	0.1%
37	Norway	2	0.1%
38	Egypt	2	0.1%
39	Armenia	2	0.1%
40	Austria	2	0.1%
41	South Africa	2	0.1%
42	Saudi Arabia	2	0.1%
43	Poland	2	0.1%
44	Romania	2	0.1%
45	Tanzania, United Republic of	2	0.1%
46	Sweden	1	0.1%
47	Switzerland	1	0.1%
48	Georgia	1	0.1%
49	Philippines	1	0.1%
50	Lebanon	1	0.1%
51	Lao People's Democratic Republic	1	0.1%