Rank	Countries/Territories	Count	Percent
1	United States	424	35.7%
2	China	308	25.9%
3	Germany	111	9.3%
4	Japan	57	4.8%
5	India	46	3.9%
6	Jordan	43	3.6%
7	United Kingdom	24	2%
8	Ireland	19	1.6%
9	Korea, Republic of	14	1.2%
10	France	13	1.1%
11	Singapore	13	1.1%
12	Lithuania	11	0.9%
13	Canada	10	0.8%
14	Australia	8	0.7%
15	Netherlands	7	0.6%
16	Romania	6	0.5%
17	Chile	5	0.4%
18	Cyprus	5	0.4%
19	Hong Kong	5	0.4%
20	Turkey	5	0.4%
21	Argentina	4	0.3%
22	Iraq	4	0.3%
23	Latvia	4	0.3%
24	Egypt	3	0.3%
25	Colombia	3	0.3%
26	Tanzania, United Republic of	3	0.3%
27	Saudi Arabia	2	0.2%
28	Taiwan	2	0.2%
29	Uganda	2	0.2%
30	Ecuador	2	0.2%
31	Bangladesh	2	0.2%
32	Brazil	2	0.2%
33	Pakistan	2	0.2%
34	Philippines	2	0.2%
35	Mauritius	2	0.2%
36	Mexico	2	0.2%
37	Mongolia	2	0.2%
38	Kuwait	1	0.1%
39	Qatar	1	0.1%
40	Russia	1	0.1%
41	Indonesia	1	0.1%
42	Uruguay	1	0.1%
43	Viet Nam	1	0.1%
44	Thailand	1	0.1%
45	Slovakia	1	0.1%
46	Slovenia	1	0.1%
47	South Africa	1	0.1%
48	Sri Lanka	1	0.1%