Rank	Countries/Territories	Count	Percent
1	United States	518	39.1%
2	China	226	17.1%
3	India	181	13.7%
4	Germany	89	6.7%
5	Netherlands	31	2.3%
6	Ireland	21	1.6%
7	Japan	19	1.4%
8	Brazil	18	1.4%
9	Ukraine	16	1.2%
10	Romania	12	0.9%
11	Korea, Republic of	11	0.8%
12	Israel	8	0.6%
13	Mexico	8	0.6%
14	Australia	8	0.6%
15	Canada	7	0.5%
16	Hong Kong	7	0.5%
17	Italy	7	0.5%
18	Indonesia	7	0.5%
19	Russia	7	0.5%
20	Poland	7	0.5%
21	Serbia	7	0.5%
22	Turkey	7	0.5%
23	Taiwan	7	0.5%
24	United Kingdom	6	0.5%
25	France	6	0.5%
26	Nepal	6	0.5%
27	Ecuador	6	0.5%
28	Egypt	6	0.5%
29	Pakistan	5	0.4%
30	Singapore	5	0.4%
31	Spain	5	0.4%
32	Portugal	4	0.3%
33	Switzerland	4	0.3%
34	Iran, Islamic Republic of	4	0.3%
35	Philippines	3	0.2%
36	Austria	3	0.2%
37	Bulgaria	3	0.2%
38	Argentina	2	0.2%
39	Cyprus	2	0.2%
40	Czech Republic	2	0.2%
41	Moldova, Republic of	2	0.2%
42	Kazakhstan	2	0.2%
43	Norway	2	0.2%
44	Qatar	2	0.2%
45	Saudi Arabia	2	0.2%
46	Sweden	2	0.2%
47	Yemen	2	0.2%
48	Viet Nam	1	0.1%
49	Syrian Arab Republic	1	0.1%
50	Trinidad and Tobago	1	0.1%
51	Lebanon	1	0.1%
52	Nigeria	1	0.1%
53	Ethiopia	1	0.1%
54	Hungary	1	0.1%
55	Greece	1	0.1%
56	Cote D'ivoire	1	0.1%
57	Belgium	1	0.1%