Rank	Countries/Territories	Count	Percent
1	United States	584	33.4%
2	China	479	27.4%
3	Germany	142	8.1%
4	United Kingdom	112	6.4%
5	Denmark	42	2.4%
6	Brazil	33	1.9%
7	Japan	31	1.8%
8	Korea, Republic of	30	1.7%
9	Netherlands	25	1.4%
10	India	24	1.4%
11	France	20	1.1%
12	Taiwan	20	1.1%
13	Australia	15	0.9%
14	Latvia	14	0.8%
15	Czech Republic	12	0.7%
16	Canada	12	0.7%
17	Chile	12	0.7%
18	Spain	10	0.6%
19	Turkey	9	0.5%
20	Hong Kong	9	0.5%
21	Cyprus	8	0.5%
22	Ireland	7	0.4%
23	Italy	7	0.4%
24	Pakistan	7	0.4%
25	Russia	7	0.4%
26	Ukraine	6	0.3%
27	United Arab Emirates	6	0.3%
28	Greece	6	0.3%
29	Belgium	6	0.3%
30	Indonesia	5	0.3%
31	Iran, Islamic Republic of	4	0.2%
32	Thailand	4	0.2%
33	Singapore	3	0.2%
34	South Africa	3	0.2%
35	Philippines	3	0.2%
36	Israel	3	0.2%
37	Malaysia	3	0.2%
38	Norway	2	0.1%
39	Iraq	2	0.1%
40	Bhutan	2	0.1%
41	Austria	2	0.1%
42	Armenia	2	0.1%
43	Egypt	2	0.1%
44	Poland	2	0.1%
45	Romania	2	0.1%
46	Saudi Arabia	2	0.1%
47	Tanzania, United Republic of	2	0.1%
48	Sweden	1	0.1%
49	Switzerland	1	0.1%
50	Georgia	1	0.1%
51	Argentina	1	0.1%
52	Lebanon	1	0.1%
53	Lao People's Democratic Republic	1	0.1%