Rank	Countries/Territories	Count	Percent
1	United States	341	35.9%
2	China	248	26.1%
3	Germany	88	9.3%
4	India	64	6.7%
5	South Africa	30	3.2%
6	Netherlands	26	2.7%
7	Japan	26	2.7%
8	Ireland	17	1.8%
9	United Kingdom	14	1.5%
10	Egypt	10	1.1%
11	Indonesia	7	0.7%
12	Philippines	7	0.7%
13	Singapore	7	0.7%
14	Ukraine	5	0.5%
15	Cyprus	5	0.5%
16	Korea, Republic of	4	0.4%
17	Nigeria	4	0.4%
18	Pakistan	3	0.3%
19	Canada	3	0.3%
20	Iran, Islamic Republic of	3	0.3%
21	Colombia	3	0.3%
22	Bangladesh	3	0.3%
23	Russia	3	0.3%
24	Zimbabwe	2	0.2%
25	Bosnia and Herzegovina	2	0.2%
26	Czech Republic	2	0.2%
27	France	2	0.2%
28	Slovakia	2	0.2%
29	Slovenia	2	0.2%
30	Spain	2	0.2%
31	Thailand	2	0.2%
32	Turkey	1	0.1%
33	United Arab Emirates	1	0.1%
34	Poland	1	0.1%
35	Romania	1	0.1%
36	Palestine, State of	1	0.1%
37	Brazil	1	0.1%
38	Greece	1	0.1%
39	Hong Kong	1	0.1%
40	Lithuania	1	0.1%
41	Mauritius	1	0.1%
42	Mexico	1	0.1%
43	Mongolia	1	0.1%
44	Nepal	1	0.1%
45	Yemen	1	0.1%