Rank	Countries/Territories	Count	Percent
1	United States	560	31.3%
2	China	483	27%
3	Germany	155	8.7%
4	Russia	83	4.6%
5	France	67	3.7%
6	Japan	67	3.7%
7	India	40	2.2%
8	Latvia	39	2.2%
9	United Kingdom	39	2.2%
10	Netherlands	34	1.9%
11	Singapore	26	1.5%
12	New Zealand	22	1.2%
13	Cyprus	16	0.9%
14	Canada	16	0.9%
15	Indonesia	15	0.8%
16	Switzerland	15	0.8%
17		9	0.5%
18	Australia	9	0.5%
19	Hong Kong	9	0.5%
20	Korea, Republic of	6	0.3%
21	Ukraine	6	0.3%
22	Nigeria	5	0.3%
23	Malaysia	5	0.3%
24	Cambodia	5	0.3%
25	Iran, Islamic Republic of	4	0.2%
26	Italy	4	0.2%
27	Turkey	4	0.2%
28	Viet Nam	4	0.2%
29	Tanzania, United Republic of	3	0.2%
30	Panama	3	0.2%
31	Ireland	3	0.2%
32	Brazil	3	0.2%
33	Bulgaria	2	0.1%
34	Burkina Faso	2	0.1%
35	Benin	2	0.1%
36	Argentina	2	0.1%
37	Czech Republic	2	0.1%
38	Ethiopia	2	0.1%
39	Philippines	2	0.1%
40	Poland	2	0.1%
41	Pakistan	2	0.1%
42	Malawi	2	0.1%
43	Sweden	2	0.1%
44	Taiwan	2	0.1%
45	South Africa	1	0.1%
46	Spain	1	0.1%
47	Rwanda	1	0.1%
48	Sierra Leone	1	0.1%
49	United Arab Emirates	1	0.1%
50	Namibia	1	0.1%
51	Finland	1	0.1%
52	Israel	1	0.1%