Rank	Countries/Territories	Count	Percent
1	United States	402	35.7%
2	China	329	29.2%
3	Germany	120	10.7%
4	Romania	32	2.8%
5	India	30	2.7%
6	Turkey	25	2.2%
7	Canada	22	2%
8	Japan	20	1.8%
9	France	15	1.3%
10	Netherlands	10	0.9%
11	Philippines	10	0.9%
12	Mexico	9	0.8%
13	Senegal	9	0.8%
14	Ethiopia	8	0.7%
15	Ireland	7	0.6%
16	Singapore	7	0.6%
17	Korea, Republic of	7	0.6%
18	Cyprus	6	0.5%
19	Indonesia	5	0.4%
20	Hong Kong	5	0.4%
21	Ukraine	5	0.4%
22	Viet Nam	4	0.4%
23	Guatemala	4	0.4%
24	Russia	4	0.4%
25	Taiwan	3	0.3%
26	Spain	3	0.3%
27	Kyrgyzstan	3	0.3%
28	Argentina	3	0.3%
29	Benin	3	0.3%
30	Iran, Islamic Republic of	2	0.2%
31	Malaysia	2	0.2%
32	Pakistan	2	0.2%
33	United Kingdom	2	0.2%
34	Mongolia	1	0.1%
35	Switzerland	1	0.1%
36	Syrian Arab Republic	1	0.1%
37	Tunisia	1	0.1%
38	Hungary	1	0.1%
39	Dominican Republic	1	0.1%
40	El Salvador	1	0.1%