Rank	Countries/Territories	Count	Percent
1	United States	477	36.8%
2	China	348	26.9%
3	Germany	122	9.4%
4	Latvia	51	3.9%
5		36	2.8%
6	India	29	2.2%
7	France	29	2.2%
8	Netherlands	28	2.2%
9	Japan	27	2.1%
10	Ireland	24	1.9%
11	Norway	12	0.9%
12	Singapore	10	0.8%
13	Australia	9	0.7%
14	Cyprus	7	0.5%
15	Argentina	5	0.4%
16	Indonesia	5	0.4%
17	Korea, Republic of	5	0.4%
18	United Kingdom	5	0.4%
19	Turkey	4	0.3%
20	Ukraine	4	0.3%
21	Russia	4	0.3%
22	Canada	4	0.3%
23	Iran, Islamic Republic of	3	0.2%
24	Finland	3	0.2%
25	Saudi Arabia	3	0.2%
26	Mongolia	3	0.2%
27	Lithuania	3	0.2%
28	Viet Nam	3	0.2%
29	Spain	2	0.2%
30	Malaysia	2	0.2%
31	Lesotho	2	0.2%
32	Kuwait	2	0.2%
33	Israel	2	0.2%
34	Italy	2	0.2%
35	Hong Kong	2	0.2%
36	Nigeria	2	0.2%
37	Philippines	2	0.2%
38	Denmark	2	0.2%
39	Ghana	2	0.2%
40	Greece	1	0.1%
41	Egypt	1	0.1%
42	Czech Republic	1	0.1%
43	Brazil	1	0.1%
44	Bulgaria	1	0.1%
45	Albania	1	0.1%
46	Mexico	1	0.1%
47	Sweden	1	0.1%
48	Tunisia	1	0.1%
49	South Africa	1	0.1%