Rank	Countries/Territories	Count	Percent
1	United States	195	32.2%
2	China	125	20.7%
3	Germany	59	9.8%
4	Japan	28	4.6%
5	India	25	4.1%
6	Korea, Republic of	18	3%
7	United Kingdom	18	3%
8	South Africa	14	2.3%
9	Bangladesh	11	1.8%
10	Netherlands	10	1.7%
11	Brazil	9	1.5%
12	Saudi Arabia	8	1.3%
13	Australia	7	1.2%
14	Canada	7	1.2%
15	Italy	6	1%
16	Pakistan	5	0.8%
17	France	5	0.8%
18	Egypt	4	0.7%
19	Singapore	4	0.7%
20	Russia	4	0.7%
21	Iran, Islamic Republic of	3	0.5%
22	Ireland	3	0.5%
23	Malaysia	3	0.5%
24	Romania	2	0.3%
25	Serbia	2	0.3%
26	Lithuania	2	0.3%
27	Portugal	2	0.3%
28	Philippines	2	0.3%
29	Cyprus	2	0.3%
30	United Arab Emirates	2	0.3%
31	Viet Nam	2	0.3%
32	Slovakia	1	0.2%
33	Switzerland	1	0.2%
34	Taiwan	1	0.2%
35	Tajikistan	1	0.2%
36	Ukraine	1	0.2%
37	Czech Republic	1	0.2%
38	Colombia	1	0.2%
39	Cambodia	1	0.2%
40	Greece	1	0.2%
41	Hungary	1	0.2%
42	Estonia	1	0.2%
43	Georgia	1	0.2%
44	Poland	1	0.2%
45	Kyrgyzstan	1	0.2%
46	Latvia	1	0.2%
47	Lebanon	1	0.2%
48	Libya	1	0.2%
49	Puerto Rico	1	0.2%