Rank	Countries/Territories	Count	Percent
1	United States	814	32.1%
2	China	737	29.1%
3	Germany	267	10.5%
4	Japan	146	5.8%
5	United Kingdom	87	3.4%
6	Korea, Republic of	38	1.5%
7		35	1.4%
8	India	33	1.3%
9	Taiwan	27	1.1%
10	France	25	1%
11	Italy	22	0.9%
12	Hong Kong	22	0.9%
13	Singapore	21	0.8%
14	Netherlands	20	0.8%
15	Greece	20	0.8%
16	Austria	18	0.7%
17	Norway	16	0.6%
18	Russia	12	0.5%
19	Switzerland	12	0.5%
20	Romania	11	0.4%
21	Belgium	11	0.4%
22	Canada	10	0.4%
23	Turkey	10	0.4%
24	Ukraine	9	0.4%
25	Spain	9	0.4%
26	Australia	8	0.3%
27	Cyprus	8	0.3%
28	Egypt	6	0.2%
29	Ireland	6	0.2%
30	Lithuania	6	0.2%
31	Sweden	6	0.2%
32	Thailand	5	0.2%
33	Indonesia	5	0.2%
34	Iran, Islamic Republic of	5	0.2%
35	Denmark	5	0.2%
36	Iraq	4	0.2%
37	Malaysia	3	0.1%
38	Argentina	3	0.1%
39	South Africa	3	0.1%
40	Viet Nam	3	0.1%
41	Uganda	2	0.1%
42	Serbia	2	0.1%
43	Mongolia	2	0.1%
44	Poland	2	0.1%
45	Bangladesh	2	0.1%
46	Benin	2	0.1%
47	Brazil	2	0.1%
48	Israel	2	0.1%
49	Hungary	1	0%
50	Mexico	1	0%
51	Latvia	1	0%
52	Jordan	1	0%
53	Bulgaria	1	0%
54	Finland	1	0%
55	Portugal	1	0%
56	Oman	1	0%
57	Philippines	1	0%