Rank	Countries/Territories	Count	Percent
1	United States	810	32.8%
2	China	692	28.1%
3	Germany	267	10.8%
4	Japan	139	5.6%
5	United Kingdom	87	3.5%
6	Korea, Republic of	38	1.5%
7		35	1.4%
8	India	33	1.3%
9	Taiwan	27	1.1%
10	France	24	1%
11	Hong Kong	22	0.9%
12	Singapore	21	0.9%
13	Greece	20	0.8%
14	Austria	18	0.7%
15	Italy	18	0.7%
16	Netherlands	17	0.7%
17	Norway	16	0.6%
18	Russia	12	0.5%
19	Switzerland	12	0.5%
20	Romania	11	0.4%
21	Turkey	10	0.4%
22	Belgium	10	0.4%
23	Canada	10	0.4%
24	Ukraine	9	0.4%
25	Spain	9	0.4%
26	Australia	8	0.3%
27	Cyprus	7	0.3%
28	Egypt	6	0.2%
29	Lithuania	6	0.2%
30	Ireland	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	Iraq	4	0.2%
36	Denmark	4	0.2%
37	Argentina	3	0.1%
38	Malaysia	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	Israel	2	0.1%
46	Bangladesh	2	0.1%
47	Benin	2	0.1%
48	Brazil	2	0.1%
49	Bulgaria	1	0%
50	Finland	1	0%
51	Hungary	1	0%
52	Mexico	1	0%
53	Latvia	1	0%
54	Jordan	1	0%
55	Portugal	1	0%
56	Oman	1	0%
57	Philippines	1	0%