Rank	Countries/Territories	Count	Percent
1	United States	548	46.3%
2	China	353	29.8%
3	Germany	110	9.3%
4	France	31	2.6%
5	India	30	2.5%
6	Netherlands	17	1.4%
7	Russia	12	1%
8	Hungary	7	0.6%
9	Cyprus	6	0.5%
10	Brazil	6	0.5%
11	Australia	5	0.4%
12	Japan	5	0.4%
13	Singapore	5	0.4%
14	Poland	5	0.4%
15	Norway	4	0.3%
16	Egypt	4	0.3%
17	Canada	4	0.3%
18	Bangladesh	3	0.3%
19	Italy	3	0.3%
20	Lithuania	3	0.3%
21	United Kingdom	3	0.3%
22	Portugal	2	0.2%
23	Romania	2	0.2%
24	Taiwan	2	0.2%
25	Ukraine	2	0.2%
26	Peru	2	0.2%
27	Spain	2	0.2%
28	Iran, Islamic Republic of	2	0.2%
29	Korea, Republic of	1	0.1%
30	Bulgaria	1	0.1%
31	Argentina	1	0.1%
32	Sri Lanka	1	0.1%
33	Malaysia	1	0.1%
34	Mongolia	1	0.1%