Rank	Countries/Territories	Count	Percent
1	United States	300	34.8%
2	China	130	15.1%
3	Germany	97	11.2%
4	India	55	6.4%
5	France	27	3.1%
6	Pakistan	18	2.1%
7	Netherlands	17	2%
8	United Kingdom	17	2%
9	Saudi Arabia	14	1.6%
10	Canada	13	1.5%
11	Brazil	12	1.4%
12	Turkey	11	1.3%
13	Taiwan	11	1.3%
14	Japan	10	1.2%
15	Iraq	8	0.9%
16	Ireland	8	0.9%
17	Iran, Islamic Republic of	7	0.8%
18	Nigeria	7	0.8%
19	Lithuania	7	0.8%
20	Hungary	7	0.8%
21	Hong Kong	6	0.7%
22	Italy	6	0.7%
23	Singapore	5	0.6%
24	Cyprus	5	0.6%
25	Egypt	5	0.6%
26	Uganda	5	0.6%
27	Russia	5	0.6%
28	South Africa	4	0.5%
29	Czech Republic	4	0.5%
30	Australia	4	0.5%
31	Mexico	4	0.5%
32	Indonesia	4	0.5%
33	Korea, Republic of	4	0.5%
34	Slovakia	3	0.3%
35	Bangladesh	3	0.3%
36	Spain	3	0.3%
37	Thailand	2	0.2%
38	Chile	2	0.2%
39	Dominican Republic	2	0.2%
40	Algeria	2	0.2%
41	Colombia	1	0.1%
42	Bulgaria	1	0.1%
43	Peru	1	0.1%
44	Romania	1	0.1%
45	Jordan	1	0.1%
46	Tunisia	1	0.1%
47	Switzerland	1	0.1%
48	Ukraine	1	0.1%
49	Zimbabwe	1	0.1%