Rank	Countries/Territories	Count	Percent
1	United States	323	39.9%
2	China	111	13.7%
3	Germany	66	8.1%
4	Korea, Republic of	42	5.2%
5	India	40	4.9%
6	Japan	22	2.7%
7	Netherlands	18	2.2%
8	Egypt	17	2.1%
9	Brazil	13	1.6%
10	Romania	13	1.6%
11	Spain	10	1.2%
12	Turkey	9	1.1%
13	Canada	9	1.1%
14	Singapore	8	1%
15	Switzerland	7	0.9%
16	United Kingdom	7	0.9%
17	Australia	7	0.9%
18	Portugal	7	0.9%
19	Ireland	7	0.9%
20	Italy	6	0.7%
21	France	5	0.6%
22	Malaysia	5	0.6%
23	Cyprus	5	0.6%
24	Indonesia	4	0.5%
25	Greece	4	0.5%
26	Norway	4	0.5%
27	Thailand	4	0.5%
28	Venezuela, Bolivarian Republic of	3	0.4%
29	Morocco	3	0.4%
30	Iran, Islamic Republic of	3	0.4%
31	Colombia	3	0.4%
32	Algeria	2	0.2%
33	Bulgaria	2	0.2%
34	Iceland	2	0.2%
35	Latvia	2	0.2%
36	Israel	2	0.2%
37	Yemen	2	0.2%
38	South Africa	2	0.2%
39	Taiwan	1	0.1%
40	Ukraine	1	0.1%
41	United Arab Emirates	1	0.1%
42	Mauritius	1	0.1%
43	Mongolia	1	0.1%
44	Puerto Rico	1	0.1%
45	Russia	1	0.1%
46	Saudi Arabia	1	0.1%
47	Ecuador	1	0.1%
48	Finland	1	0.1%
49	Belgium	1	0.1%