Rank	Countries/Territories	Count	Percent
1	United States	486	37.7%
2	China	313	24.3%
3	Germany	187	14.5%
4	France	44	3.4%
5	India	36	2.8%
6	Korea, Republic of	34	2.6%
7	Japan	29	2.3%
8	Sweden	19	1.5%
9	Netherlands	19	1.5%
10	Canada	14	1.1%
11	United Kingdom	10	0.8%
12	Egypt	9	0.7%
13	Italy	7	0.5%
14	Austria	6	0.5%
15	Greece	5	0.4%
16	Russia	5	0.4%
17	Hong Kong	4	0.3%
18	Colombia	4	0.3%
19	Brazil	4	0.3%
20	Taiwan	4	0.3%
21	Romania	3	0.2%
22	Spain	3	0.2%
23	Bosnia and Herzegovina	3	0.2%
24	Hungary	3	0.2%
25	Cyprus	2	0.2%
26	Denmark	2	0.2%
27	Belgium	2	0.2%
28	Algeria	2	0.2%
29	Saudi Arabia	2	0.2%
30	Norway	2	0.2%
31	Latvia	2	0.2%
32	Malaysia	2	0.2%
33	Ireland	2	0.2%
34	Iran, Islamic Republic of	2	0.2%
35	Poland	2	0.2%
36	Thailand	2	0.2%
37	Turkey	2	0.2%
38	United Arab Emirates	2	0.2%
39	Ukraine	1	0.1%
40	Iraq	1	0.1%
41	Indonesia	1	0.1%
42	Pakistan	1	0.1%
43	Singapore	1	0.1%
44	South Africa	1	0.1%
45	Argentina	1	0.1%
46	Australia	1	0.1%
47	Bulgaria	1	0.1%