Rank	Countries/Territories	Count	Percent
1	United States	405	33.2%
2	Russia	149	12.2%
3	China	149	12.2%
4	Germany	83	6.8%
5	United Kingdom	62	5.1%
6	Mexico	30	2.5%
7	Spain	24	2%
8	Japan	20	1.6%
9	India	20	1.6%
10	Taiwan	19	1.6%
11	Portugal	17	1.4%
12	Pakistan	16	1.3%
13	Ecuador	16	1.3%
14	Netherlands	15	1.2%
15	Turkey	11	0.9%
16	Hungary	11	0.9%
17	Korea, Republic of	10	0.8%
18	Australia	10	0.8%
19	Romania	10	0.8%
20	France	9	0.7%
21	Brazil	8	0.7%
22	Singapore	8	0.7%
23	Canada	7	0.6%
24	Italy	7	0.6%
25	Hong Kong	6	0.5%
26	Iran, Islamic Republic of	6	0.5%
27	Colombia	6	0.5%
28	Guatemala	5	0.4%
29	Ireland	5	0.4%
30	Lithuania	5	0.4%
31	Ukraine	5	0.4%
32	Tunisia	5	0.4%
33	Nigeria	4	0.3%
34	Malawi	4	0.3%
35	Cyprus	4	0.3%
36	Argentina	3	0.2%
37	Latvia	3	0.2%
38	South Africa	3	0.2%
39	Thailand	3	0.2%
40	Slovenia	2	0.2%
41	Sweden	2	0.2%
42	Switzerland	2	0.2%
43	Senegal	2	0.2%
44	Philippines	2	0.2%
45	Lebanon	2	0.2%
46	Kazakhstan	2	0.2%
47	Morocco	2	0.2%
48	Iceland	2	0.2%
49	Indonesia	2	0.2%
50	Chile	2	0.2%
51	Algeria	2	0.2%
52	Ghana	2	0.2%
53	Greece	1	0.1%
54	Georgia	1	0.1%
55	Egypt	1	0.1%
56	Ethiopia	1	0.1%
57	Armenia	1	0.1%
58	Austria	1	0.1%
59	Belgium	1	0.1%
60	Israel	1	0.1%
61	Poland	1	0.1%
62	Norway	1	0.1%
63	New Zealand	1	0.1%
64	Slovakia	1	0.1%