Rank	Countries/Territories	Count	Percent
1	United States	273	28.6%
2	China	177	18.5%
3	Germany	134	14%
4	India	79	8.3%
5	Romania	30	3.1%
6	Ukraine	26	2.7%
7	Netherlands	20	2.1%
8	France	19	2%
9	Canada	19	2%
10	Ireland	14	1.5%
11	Korea, Republic of	13	1.4%
12	Turkey	13	1.4%
13	Japan	11	1.2%
14	Singapore	10	1%
15	Colombia	9	0.9%
16	Malaysia	7	0.7%
17	United Kingdom	7	0.7%
18	Kyrgyzstan	6	0.6%
19	Taiwan	6	0.6%
20	Indonesia	6	0.6%
21	Iran, Islamic Republic of	5	0.5%
22	Egypt	5	0.5%
23	South Africa	5	0.5%
24	Viet Nam	5	0.5%
25	Denmark	4	0.4%
26	Mauritius	4	0.4%
27	Israel	4	0.4%
28	Italy	3	0.3%
29	Gabon	3	0.3%
30	Philippines	3	0.3%
31	Cyprus	3	0.3%
32	Australia	3	0.3%
33	Spain	3	0.3%
34	Thailand	3	0.3%
35	Saudi Arabia	3	0.3%
36	Uruguay	2	0.2%
37	Cambodia	2	0.2%
38	Greece	2	0.2%
39	Honduras	2	0.2%
40	Russia	2	0.2%
41	Hungary	2	0.2%
42	Kuwait	1	0.1%
43	Georgia	1	0.1%
44	Mexico	1	0.1%
45	Morocco	1	0.1%
46	Hong Kong	1	0.1%
47	Iraq	1	0.1%
48	Brazil	1	0.1%
49	Sri Lanka	1	0.1%
50	Sweden	1	0.1%