Rank	Countries/Territories	Count	Percent
1	United States	699	34.5%
2	China	499	24.6%
3	Germany	227	11.2%
4	Japan	110	5.4%
5	United Kingdom	68	3.4%
6	Korea, Republic of	35	1.7%
7		35	1.7%
8	India	32	1.6%
9	Taiwan	27	1.3%
10	France	22	1.1%
11	Hong Kong	22	1.1%
12	Greece	20	1%
13	Austria	17	0.8%
14	Norway	16	0.8%
15	Italy	15	0.7%
16	Netherlands	15	0.7%
17	Singapore	14	0.7%
18	Switzerland	12	0.6%
19	Romania	11	0.5%
20	Ukraine	9	0.4%
21	Spain	9	0.4%
22	Australia	8	0.4%
23	Canada	8	0.4%
24	Belgium	7	0.3%
25	Turkey	7	0.3%
26	Egypt	6	0.3%
27	Lithuania	6	0.3%
28	Ireland	5	0.2%
29	Indonesia	5	0.2%
30	Iran, Islamic Republic of	5	0.2%
31	Cyprus	5	0.2%
32	Sweden	5	0.2%
33	Thailand	4	0.2%
34	Russia	4	0.2%
35	Denmark	4	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	Serbia	2	0.1%
42	Poland	2	0.1%
43	Uganda	2	0.1%
44	Bangladesh	2	0.1%
45	Benin	2	0.1%
46	Mongolia	2	0.1%
47	Jordan	1	0%
48	Mexico	1	0%
49	Israel	1	0%
50	Bulgaria	1	0%
51	Finland	1	0%
52	Hungary	1	0%
53	Portugal	1	0%
54	Philippines	1	0%