Rank	Countries/Territories	Count	Percent
1	United States	297	32.6%
2	China	296	32.5%
3	Germany	114	12.5%
4	France	35	3.8%
5	Bulgaria	22	2.4%
6	India	16	1.8%
7	Australia	15	1.6%
8	Netherlands	13	1.4%
9	Singapore	13	1.4%
10	Slovakia	11	1.2%
11	United Kingdom	11	1.2%
12	Korea, Republic of	7	0.8%
13	Cyprus	6	0.7%
14	Greece	5	0.5%
15	Norway	5	0.5%
16	Thailand	4	0.4%
17	Italy	4	0.4%
18	Canada	4	0.4%
19	Japan	3	0.3%
20	Russia	3	0.3%
21	Spain	3	0.3%
22	Oman	2	0.2%
23	Philippines	2	0.2%
24	Iceland	2	0.2%
25	Ukraine	2	0.2%
26	Bangladesh	2	0.2%
27	Brazil	2	0.2%
28	Cote D'ivoire	1	0.1%
29	Lithuania	1	0.1%
30	Hong Kong	1	0.1%
31	Iran, Islamic Republic of	1	0.1%
32	Ireland	1	0.1%
33	Saudi Arabia	1	0.1%
34	Senegal	1	0.1%
35	Turkey	1	0.1%
36	Qatar	1	0.1%
37	Romania	1	0.1%
38	Sweden	1	0.1%