Rank	Countries/Territories	Count	Percent
1	United States	444	34.2%
2	China	404	31.1%
3	Germany	87	6.7%
4	India	30	2.3%
5	Egypt	29	2.2%
6	Mexico	25	1.9%
7	Netherlands	19	1.5%
8	Japan	17	1.3%
9	Korea, Republic of	16	1.2%
10	Thailand	16	1.2%
11	Viet Nam	15	1.2%
12	Iran, Islamic Republic of	13	1%
13	Ireland	13	1%
14	Romania	11	0.8%
15	Estonia	10	0.8%
16	Brazil	9	0.7%
17	Singapore	9	0.7%
18	Turkey	9	0.7%
19	Saudi Arabia	8	0.6%
20	Australia	8	0.6%
21	Czech Republic	8	0.6%
22	Ecuador	8	0.6%
23	Norway	8	0.6%
24	Russia	7	0.5%
25	Portugal	6	0.5%
26	Mongolia	6	0.5%
27	Denmark	6	0.5%
28	Hong Kong	5	0.4%
29	France	4	0.3%
30	Canada	4	0.3%
31	Peru	4	0.3%
32	Iraq	4	0.3%
33	Indonesia	4	0.3%
34	Switzerland	4	0.3%
35	Spain	3	0.2%
36	Italy	3	0.2%
37	Argentina	3	0.2%
38	Cyprus	3	0.2%
39	Cuba	2	0.2%
40	Belgium	2	0.2%
41	Faroe Islands	2	0.2%
42	Pakistan	2	0.2%
43	Sweden	2	0.2%
44	Tanzania, United Republic of	2	0.2%
45	Taiwan	1	0.1%
46	Philippines	1	0.1%
47	Lebanon	1	0.1%
48	Libya	1	0.1%
49	Malaysia	1	0.1%