Rank	Countries/Territories	Count	Percent
1	United States	393	33.6%
2	Germany	160	13.7%
3	China	148	12.7%
4	India	112	9.6%
5	Netherlands	70	6%
6	Russia	30	2.6%
7	Japan	27	2.3%
8	United Kingdom	25	2.1%
9	Ireland	19	1.6%
10	Canada	17	1.5%
11	Korea, Republic of	15	1.3%
12	Uzbekistan	14	1.2%
13	Turkey	11	0.9%
14	Mexico	11	0.9%
15	Spain	10	0.9%
16	Pakistan	9	0.8%
17	France	8	0.7%
18	Cyprus	8	0.7%
19	Malaysia	7	0.6%
20	Iran, Islamic Republic of	7	0.6%
21	Australia	6	0.5%
22	Italy	5	0.4%
23	Bulgaria	4	0.3%
24	Taiwan	4	0.3%
25	Peru	3	0.3%
26	Belgium	3	0.3%
27	Hungary	3	0.3%
28	Indonesia	3	0.3%
29	Kazakhstan	3	0.3%
30	Macao	2	0.2%
31	Mongolia	2	0.2%
32	Colombia	2	0.2%
33	Denmark	2	0.2%
34	Egypt	2	0.2%
35	Portugal	2	0.2%
36	Thailand	2	0.2%
37	Sweden	2	0.2%
38	Switzerland	2	0.2%
39	Ukraine	2	0.2%
40	Slovakia	2	0.2%
41	Viet Nam	1	0.1%
42	Saudi Arabia	1	0.1%
43	Singapore	1	0.1%
44	Czech Republic	1	0.1%
45	Greece	1	0.1%
46	Argentina	1	0.1%
47	Brazil	1	0.1%
48	Austria	1	0.1%
49	New Zealand	1	0.1%
50	Norway	1	0.1%
51	Jordan	1	0.1%