Rank	Countries/Territories	Count	Percent
1	United States	505	35.1%
2	China	233	16.2%
3	Romania	174	12.1%
4	Germany	73	5.1%
5	United Kingdom	57	4%
6	France	52	3.6%
7	India	52	3.6%
8	Ireland	45	3.1%
9	Netherlands	40	2.8%
10	Korea, Republic of	38	2.6%
11	Canada	25	1.7%
12	Australia	16	1.1%
13	Egypt	8	0.6%
14	Belgium	7	0.5%
15	Ukraine	7	0.5%
16	Pakistan	7	0.5%
17	Singapore	6	0.4%
18	Turkey	6	0.4%
19	Cyprus	6	0.4%
20	Indonesia	6	0.4%
21	Ethiopia	6	0.4%
22	Israel	5	0.3%
23	Japan	5	0.3%
24	Italy	4	0.3%
25	Greece	4	0.3%
26	Russia	4	0.3%
27	Thailand	4	0.3%
28	Philippines	4	0.3%
29	Slovakia	3	0.2%
30	Austria	3	0.2%
31	Kazakhstan	2	0.1%
32	Hong Kong	2	0.1%
33	Iran, Islamic Republic of	2	0.1%
34	New Zealand	2	0.1%
35	Nigeria	2	0.1%
36	Lebanon	2	0.1%
37	South Africa	2	0.1%
38	Tanzania, United Republic of	2	0.1%
39	Serbia	2	0.1%
40	United Arab Emirates	2	0.1%
41	Sweden	1	0.1%
42	Poland	1	0.1%
43	Portugal	1	0.1%
44	Libya	1	0.1%
45	Malaysia	1	0.1%
46	Mexico	1	0.1%
47	Latvia	1	0.1%
48	Bulgaria	1	0.1%
49	Argentina	1	0.1%
50	Guatemala	1	0.1%
51	Ghana	1	0.1%
52	Estonia	1	0.1%
53	Georgia	1	0.1%