Rank	Countries/Territories	Count	Percent
1	United States	176	30%
2	China	148	25.2%
3	France	75	12.8%
4	Germany	30	5.1%
5	Japan	28	4.8%
6	Bulgaria	16	2.7%
7	Netherlands	16	2.7%
8	Russia	13	2.2%
9	Singapore	11	1.9%
10	United Kingdom	8	1.4%
11	Canada	8	1.4%
12	South Africa	7	1.2%
13	Korea, Republic of	7	1.2%
14	Mauritius	5	0.9%
15	Thailand	5	0.9%
16	Romania	3	0.5%
17	Ukraine	3	0.5%
18	Lithuania	3	0.5%
19	Cyprus	3	0.5%
20	Australia	2	0.3%
21	Iran, Islamic Republic of	2	0.3%
22	Viet Nam	2	0.3%
23	Nigeria	2	0.3%
24	Philippines	2	0.3%
25	Poland	2	0.3%
26	Portugal	2	0.3%
27	Switzerland	1	0.2%
28	Turkey	1	0.2%
29	Ireland	1	0.2%
30	Mongolia	1	0.2%
31	Bangladesh	1	0.2%
32	Cambodia	1	0.2%
33	Czech Republic	1	0.2%
34	Cote D'ivoire	1	0.2%