Rank	Countries/Territories	Count	Percent
1	United States	403	44.2%
2	China	241	26.5%
3	Germany	44	4.8%
4	Turkey	22	2.4%
5	United Kingdom	17	1.9%
6	France	15	1.6%
7	Bulgaria	14	1.5%
8	Mexico	14	1.5%
9	Netherlands	12	1.3%
10	Russia	11	1.2%
11	Singapore	10	1.1%
12	Japan	9	1%
13	Cyprus	7	0.8%
14	Latvia	6	0.7%
15	Taiwan	6	0.7%
16	Tanzania, United Republic of	5	0.5%
17	Ukraine	5	0.5%
18	Mongolia	4	0.4%
19	Peru	4	0.4%
20	Australia	4	0.4%
21	Hungary	4	0.4%
22	Indonesia	4	0.4%
23	Argentina	3	0.3%
24	Egypt	3	0.3%
25	Philippines	3	0.3%
26	Poland	3	0.3%
27	Viet Nam	3	0.3%
28	Norway	2	0.2%
29	Spain	2	0.2%
30	Portugal	2	0.2%
31	Romania	2	0.2%
32	Hong Kong	2	0.2%
33	Nepal	2	0.2%
34	Lithuania	2	0.2%
35	Jordan	2	0.2%
36	Kenya	2	0.2%
37	Bangladesh	2	0.2%
38	Canada	2	0.2%
39	Greece	2	0.2%
40	Ireland	2	0.2%
41	India	2	0.2%
42	Honduras	1	0.1%
43	Colombia	1	0.1%
44	Morocco	1	0.1%
45	South Africa	1	0.1%
46	Nigeria	1	0.1%
47	Sweden	1	0.1%
48	Thailand	1	0.1%