Rank	Countries/Territories	Count	Percent
1	United States	681	39.4%
2	China	512	29.6%
3	Germany	168	9.7%
4	United Kingdom	54	3.1%
5	Canada	39	2.3%
6	Netherlands	26	1.5%
7	Australia	23	1.3%
8	France	22	1.3%
9	Spain	14	0.8%
10	Singapore	12	0.7%
11	Ukraine	10	0.6%
12		10	0.6%
13	Argentina	9	0.5%
14	Japan	9	0.5%
15	Thailand	9	0.5%
16	Poland	9	0.5%
17	Turkey	8	0.5%
18	Korea, Republic of	8	0.5%
19	India	8	0.5%
20	Latvia	8	0.5%
21	Egypt	7	0.4%
22	Cyprus	6	0.3%
23	Indonesia	6	0.3%
24	Sweden	6	0.3%
25	South Africa	4	0.2%
26	Hong Kong	4	0.2%
27	New Zealand	4	0.2%
28	Nigeria	4	0.2%
29	Costa Rica	4	0.2%
30	Belgium	4	0.2%
31	Brazil	3	0.2%
32	Greece	3	0.2%
33	Finland	2	0.1%
34	Czech Republic	2	0.1%
35	Malaysia	2	0.1%
36	Mongolia	2	0.1%
37	Hungary	2	0.1%
38	Ireland	2	0.1%
39	Israel	2	0.1%
40	Taiwan	2	0.1%
41	Portugal	2	0.1%
42	Pakistan	2	0.1%
43	Russia	2	0.1%
44	Viet Nam	1	0.1%
45	United Arab Emirates	1	0.1%
46	Paraguay	1	0.1%
47	Puerto Rico	1	0.1%
48	Lao People's Democratic Republic	1	0.1%
49	Iran, Islamic Republic of	1	0.1%
50	Mexico	1	0.1%
51	Norway	1	0.1%
52	Ecuador	1	0.1%
53	Cabo Verde	1	0.1%
54	Colombia	1	0.1%
55	Austria	1	0.1%
56	Bangladesh	1	0.1%