Rank	Countries/Territories	Count	Percent
1	United States	271	33.6%
2	China	131	16.3%
3	Germany	75	9.3%
4	India	75	9.3%
5	Romania	36	4.5%
6	Egypt	25	3.1%
7	Netherlands	22	2.7%
8	Korea, Republic of	17	2.1%
9	France	16	2%
10	Ireland	15	1.9%
11	United Kingdom	12	1.5%
12	Ukraine	11	1.4%
13	Kuwait	9	1.1%
14	Cyprus	7	0.9%
15	Japan	6	0.7%
16	Kenya	5	0.6%
17	Bahrain	5	0.6%
18	Canada	5	0.6%
19	Iran, Islamic Republic of	4	0.5%
20	Philippines	4	0.5%
21	Thailand	4	0.5%
22	Singapore	4	0.5%
23	Portugal	4	0.5%
24	South Africa	4	0.5%
25	Malaysia	3	0.4%
26	Colombia	3	0.4%
27	Australia	2	0.2%
28	Austria	2	0.2%
29	Israel	2	0.2%
30	Italy	2	0.2%
31	Sweden	2	0.2%
32	Switzerland	2	0.2%
33	Morocco	2	0.2%
34	Turkey	2	0.2%
35	Viet Nam	2	0.2%
36	Slovakia	1	0.1%
37	Sri Lanka	1	0.1%
38	Iraq	1	0.1%
39	Lithuania	1	0.1%
40	Mauritius	1	0.1%
41	Poland	1	0.1%
42	Nigeria	1	0.1%
43	Panama	1	0.1%
44	Peru	1	0.1%
45	Brazil	1	0.1%
46	Czech Republic	1	0.1%
47	Ecuador	1	0.1%
48	Ethiopia	1	0.1%
49	Indonesia	1	0.1%
50	Greece	1	0.1%