Rank	Countries/Territories	Count	Percent
1	United States	334	37.9%
2	Germany	187	21.2%
3	China	168	19.1%
4	France	30	3.4%
5	Netherlands	23	2.6%
6	Turkey	16	1.8%
7	Japan	13	1.5%
8	Russia	11	1.2%
9	Canada	11	1.2%
10	Cyprus	9	1%
11	Australia	7	0.8%
12	Italy	7	0.8%
13	Hungary	6	0.7%
14	Egypt	6	0.7%
15	Singapore	5	0.6%
16	Spain	5	0.6%
17	United Kingdom	4	0.5%
18	Iran, Islamic Republic of	4	0.5%
19	India	3	0.3%
20	Ethiopia	3	0.3%
21	Ukraine	3	0.3%
22	Viet Nam	3	0.3%
23	Switzerland	3	0.3%
24	Norway	3	0.3%
25	Romania	2	0.2%
26	Korea, Republic of	2	0.2%
27	South Africa	2	0.2%
28	Austria	2	0.2%
29	Azerbaijan	2	0.2%
30	Argentina	2	0.2%
31	Hong Kong	2	0.2%
32	Ireland	1	0.1%
33	Denmark	1	0.1%
34	Mongolia	1	0.1%