Rank	Countries/Territories	Count	Percent
1	United States	574	36%
2	China	330	20.7%
3	Russia	158	9.9%
4	Germany	138	8.6%
5	India	41	2.6%
6	Israel	27	1.7%
7	Korea, Republic of	26	1.6%
8	Canada	23	1.4%
9	France	22	1.4%
10	Netherlands	22	1.4%
11	Italy	21	1.3%
12	United Kingdom	17	1.1%
13	Brazil	16	1%
14	Ukraine	15	0.9%
15	Latvia	14	0.9%
16	Japan	12	0.8%
17	Australia	12	0.8%
18	Singapore	11	0.7%
19	Ireland	9	0.6%
20	Belarus	8	0.5%
21	Cyprus	8	0.5%
22	Hong Kong	8	0.5%
23	Pakistan	7	0.4%
24	Taiwan	7	0.4%
25	Serbia	6	0.4%
26	Iran, Islamic Republic of	6	0.4%
27	Cote D'ivoire	5	0.3%
28	Austria	5	0.3%
29	Turkey	5	0.3%
30	Spain	4	0.3%
31	Norway	4	0.3%
32	Mexico	4	0.3%
33	Indonesia	3	0.2%
34	Sri Lanka	3	0.2%
35	Switzerland	2	0.1%
36	Romania	2	0.1%
37	Hungary	2	0.1%
38	Mauritius	2	0.1%
39	Chile	2	0.1%
40	Denmark	2	0.1%
41	Fiji	2	0.1%
42	Finland	1	0.1%
43	Dominican Republic	1	0.1%
44	Czech Republic	1	0.1%
45	Argentina	1	0.1%
46	Belgium	1	0.1%
47	Mongolia	1	0.1%
48	Kazakhstan	1	0.1%
49	Poland	1	0.1%
50	South Africa	1	0.1%
51	Viet Nam	1	0.1%
52	Sweden	1	0.1%