Rank	Countries/Territories	Count	Percent
1	United States	473	32.8%
2	China	176	12.2%
3	Russia	170	11.8%
4	Germany	93	6.5%
5	United Kingdom	78	5.4%
6	Mexico	56	3.9%
7	Spain	27	1.9%
8	Portugal	22	1.5%
9	India	22	1.5%
10	Japan	21	1.5%
11	Taiwan	21	1.5%
12	Pakistan	16	1.1%
13	Netherlands	16	1.1%
14	Ecuador	16	1.1%
15	Turkey	14	1%
16	Singapore	13	0.9%
17	Australia	13	0.9%
18	France	12	0.8%
19	Korea, Republic of	12	0.8%
20	Hungary	11	0.8%
21	Romania	11	0.8%
22	Iran, Islamic Republic of	10	0.7%
23	Colombia	8	0.6%
24	Canada	8	0.6%
25	Brazil	8	0.6%
26	Hong Kong	7	0.5%
27	Italy	7	0.5%
28	Ireland	5	0.3%
29	Guatemala	5	0.3%
30	Nigeria	5	0.3%
31	Lithuania	5	0.3%
32	Ukraine	5	0.3%
33	Tunisia	5	0.3%
34	Malawi	4	0.3%
35	Argentina	4	0.3%
36	Cyprus	4	0.3%
37	Egypt	3	0.2%
38	Ghana	3	0.2%
39	Latvia	3	0.2%
40	Morocco	3	0.2%
41	South Africa	3	0.2%
42	Thailand	3	0.2%
43	Sweden	2	0.1%
44	Switzerland	2	0.1%
45	Kazakhstan	2	0.1%
46	Slovenia	2	0.1%
47	Philippines	2	0.1%
48	Senegal	2	0.1%
49	Lebanon	2	0.1%
50	Greece	2	0.1%
51	Cameroon	2	0.1%
52	Iceland	2	0.1%
53	Indonesia	2	0.1%
54	Chile	2	0.1%
55	Algeria	2	0.1%
56	Belgium	2	0.1%
57	Burkina Faso	1	0.1%
58	Armenia	1	0.1%
59	Austria	1	0.1%
60	Ethiopia	1	0.1%
61	Georgia	1	0.1%
62	Jordan	1	0.1%
63	Israel	1	0.1%
64	Slovakia	1	0.1%
65	Poland	1	0.1%
66	Norway	1	0.1%
67	New Zealand	1	0.1%