Rank	Countries/Territories	Count	Percent
1	United States	359	30.4%
2	China	242	20.5%
3	Germany	169	14.3%
4	India	83	7%
5	Romania	31	2.6%
6	France	26	2.2%
7	Ukraine	26	2.2%
8	Canada	22	1.9%
9	Netherlands	22	1.9%
10	Ireland	14	1.2%
11	Korea, Republic of	14	1.2%
12	Turkey	13	1.1%
13	Japan	11	0.9%
14	Singapore	10	0.8%
15	Colombia	9	0.8%
16	Israel	7	0.6%
17	Iran, Islamic Republic of	7	0.6%
18	Malaysia	7	0.6%
19	United Kingdom	7	0.6%
20	Kyrgyzstan	6	0.5%
21	Taiwan	6	0.5%
22	Indonesia	6	0.5%
23	Cyprus	5	0.4%
24	Italy	5	0.4%
25	Egypt	5	0.4%
26	South Africa	5	0.4%
27	Viet Nam	5	0.4%
28	Spain	4	0.3%
29	Saudi Arabia	4	0.3%
30	Mauritius	4	0.3%
31	Mexico	4	0.3%
32	Denmark	4	0.3%
33	Greece	4	0.3%
34	Gabon	3	0.3%
35	Hong Kong	3	0.3%
36	Australia	3	0.3%
37	Philippines	3	0.3%
38	Thailand	3	0.3%
39	Uruguay	2	0.2%
40	Russia	2	0.2%
41	Cambodia	2	0.2%
42	Hungary	2	0.2%
43	Honduras	2	0.2%
44	Georgia	1	0.1%
45	Brazil	1	0.1%
46	Morocco	1	0.1%
47	Kuwait	1	0.1%
48	Iraq	1	0.1%
49	Sri Lanka	1	0.1%
50	Sweden	1	0.1%
51	Switzerland	1	0.1%