Rank	Countries/Territories	Count	Percent
1	United States	527	33.7%
2	China	522	33.4%
3	Germany	134	8.6%
4	Romania	35	2.2%
5	India	34	2.2%
6	Turkey	30	1.9%
7	France	29	1.9%
8	Japan	28	1.8%
9	Russia	28	1.8%
10	Canada	25	1.6%
11	Singapore	14	0.9%
12	Netherlands	14	0.9%
13	Mexico	11	0.7%
14	United Kingdom	11	0.7%
15	Philippines	10	0.6%
16	Senegal	9	0.6%
17	Ethiopia	8	0.5%
18	Hong Kong	7	0.4%
19	Cyprus	7	0.4%
20	Korea, Republic of	7	0.4%
21	Ireland	7	0.4%
22	Viet Nam	6	0.4%
23	Ukraine	5	0.3%
24	Sweden	5	0.3%
25	Indonesia	5	0.3%
26	Pakistan	4	0.3%
27	Guatemala	4	0.3%
28	Taiwan	4	0.3%
29	Ecuador	3	0.2%
30	Argentina	3	0.2%
31	Benin	3	0.2%
32	Spain	3	0.2%
33	Kyrgyzstan	3	0.2%
34	Iran, Islamic Republic of	2	0.1%
35	Malaysia	2	0.1%
36	Aland Islands	2	0.1%
37	Colombia	2	0.1%
38	Cuba	2	0.1%
39	Dominican Republic	1	0.1%
40	El Salvador	1	0.1%
41	Hungary	1	0.1%
42	Latvia	1	0.1%
43	Lebanon	1	0.1%
44	Mongolia	1	0.1%
45	Tunisia	1	0.1%
46	Switzerland	1	0.1%
47	Syrian Arab Republic	1	0.1%