Rank	Countries/Territories	Count	Percent
1	United States	281	26.4%
2	China	224	21%
3	Germany	64	6%
4	Japan	58	5.4%
5	United Kingdom	35	3.3%
6	Mexico	33	3.1%
7	Australia	31	2.9%
8	Russia	27	2.5%
9	Canada	21	2%
10	Brazil	20	1.9%
11	Spain	20	1.9%
12	Taiwan	19	1.8%
13	Pakistan	17	1.6%
14	Romania	15	1.4%
15	Egypt	15	1.4%
16	India	13	1.2%
17	Chile	11	1%
18	Netherlands	11	1%
19	Iran, Islamic Republic of	10	0.9%
20	Italy	9	0.8%
21	Portugal	8	0.8%
22	Singapore	8	0.8%
23	Cyprus	8	0.8%
24	Argentina	7	0.7%
25	Korea, Republic of	7	0.7%
26	Iceland	6	0.6%
27	Colombia	6	0.6%
28	France	5	0.5%
29	Turkey	5	0.5%
30	Tunisia	4	0.4%
31	Cameroon	4	0.4%
32	Hong Kong	4	0.4%
33	Ireland	4	0.4%
34	Indonesia	4	0.4%
35	Lithuania	4	0.4%
36	Malawi	4	0.4%
37	Latvia	3	0.3%
38	Ghana	3	0.3%
39	Czech Republic	3	0.3%
40	Belgium	3	0.3%
41	South Africa	3	0.3%
42	Thailand	3	0.3%
43	Mozambique	3	0.3%
44	Nigeria	3	0.3%
45	Panama	2	0.2%
46	Sweden	2	0.2%
47	Croatia	2	0.2%
48	Lebanon	2	0.2%
49	Morocco	1	0.1%
50	Greece	1	0.1%
51	Israel	1	0.1%
52	Ethiopia	1	0.1%
53	Bangladesh	1	0.1%
54	Bulgaria	1	0.1%
55	Burkina Faso	1	0.1%
56	Switzerland	1	0.1%
57	Slovenia	1	0.1%
58	Saudi Arabia	1	0.1%
59	Poland	1	0.1%
60	Ukraine	1	0.1%