Rank	Countries/Territories	Count	Percent
1	United States	638	40.3%
2	China	408	25.7%
3	Germany	111	7%
4	Australia	70	4.4%
5	Latvia	37	2.3%
6	Japan	30	1.9%
7	Canada	28	1.8%
8	Taiwan	23	1.5%
9	Netherlands	20	1.3%
10	Indonesia	19	1.2%
11	France	17	1.1%
12	Singapore	17	1.1%
13	United Kingdom	17	1.1%
14	India	13	0.8%
15	Turkey	13	0.8%
16	Iran, Islamic Republic of	13	0.8%
17	Pakistan	12	0.8%
18	Egypt	11	0.7%
19	Colombia	7	0.4%
20	Romania	7	0.4%
21	Ukraine	6	0.4%
22	Ethiopia	6	0.4%
23	Spain	6	0.4%
24	Malaysia	6	0.4%
25	Mexico	5	0.3%
26	Peru	4	0.3%
27	Cyprus	4	0.3%
28	Ecuador	4	0.3%
29	Argentina	4	0.3%
30	Russia	4	0.3%
31	Hong Kong	3	0.2%
32	Norway	3	0.2%
33	Mauritius	2	0.1%
34	Greece	2	0.1%
35	Belgium	2	0.1%
36	Tanzania, United Republic of	2	0.1%
37	Thailand	1	0.1%
38	Saudi Arabia	1	0.1%
39	Viet Nam	1	0.1%
40	Bulgaria	1	0.1%
41	Ireland	1	0.1%
42	Morocco	1	0.1%
43	Korea, Republic of	1	0.1%
44	Lesotho	1	0.1%
45	Lithuania	1	0.1%
46	Sweden	1	0.1%
47	Switzerland	1	0.1%