Rank	Countries/Territories	Count	Percent
1	United States	521	42.2%
2	China	300	24.3%
3	Germany	102	8.3%
4	India	44	3.6%
5	France	25	2%
6	Serbia	24	1.9%
7	Indonesia	23	1.9%
8	Netherlands	22	1.8%
9	Korea, Republic of	19	1.5%
10	United Kingdom	19	1.5%
11	Spain	18	1.5%
12	Poland	11	0.9%
13	Japan	10	0.8%
14	Canada	10	0.8%
15	Cyprus	10	0.8%
16	Australia	9	0.7%
17	Philippines	8	0.6%
18	Singapore	7	0.6%
19	Ireland	7	0.6%
20	Iran, Islamic Republic of	6	0.5%
21	Thailand	5	0.4%
22	Argentina	4	0.3%
23		3	0.2%
24	Romania	3	0.2%
25	Ukraine	3	0.2%
26	Venezuela, Bolivarian Republic of	2	0.2%
27	South Africa	2	0.2%
28	Tanzania, United Republic of	2	0.2%
29	Mexico	2	0.2%
30	Czech Republic	2	0.2%
31	Egypt	2	0.2%
32	Israel	2	0.2%
33	Hong Kong	2	0.2%
34	Italy	1	0.1%
35	Jamaica	1	0.1%
36	Belgium	1	0.1%
37	Mongolia	1	0.1%
38	Nepal	1	0.1%
39	Lithuania	1	0.1%
40	Switzerland	1	0.1%