Rank	Countries/Territories	Count	Percent
1	United States	218	26.6%
2	China	158	19.3%
3	Germany	58	7.1%
4	Japan	44	5.4%
5	Australia	30	3.7%
6	Mexico	26	3.2%
7	United Kingdom	23	2.8%
8	Russia	20	2.4%
9	Canada	19	2.3%
10	Brazil	18	2.2%
11	Pakistan	17	2.1%
12	Spain	16	2%
13	India	12	1.5%
14	Iran, Islamic Republic of	10	1.2%
15	Netherlands	10	1.2%
16	Romania	9	1.1%
17	Italy	9	1.1%
18	Egypt	9	1.1%
19	Portugal	8	1%
20	Singapore	7	0.9%
21	Chile	7	0.9%
22	Cyprus	6	0.7%
23	Iceland	6	0.7%
24	France	5	0.6%
25	Turkey	5	0.6%
26	Tunisia	4	0.5%
27	Lithuania	4	0.5%
28	Malawi	4	0.5%
29	Colombia	4	0.5%
30	Hong Kong	4	0.5%
31	Argentina	4	0.5%
32	Czech Republic	3	0.4%
33	Latvia	3	0.4%
34	Mozambique	3	0.4%
35	Ireland	3	0.4%
36	South Africa	3	0.4%
37	Taiwan	3	0.4%
38	Thailand	3	0.4%
39	Nigeria	3	0.4%
40	Panama	2	0.2%
41	Sweden	2	0.2%
42	Indonesia	2	0.2%
43	Lebanon	2	0.2%
44	Croatia	2	0.2%
45	Cameroon	2	0.2%
46	Bulgaria	1	0.1%
47	Bangladesh	1	0.1%
48	Ethiopia	1	0.1%
49	Morocco	1	0.1%
50	Israel	1	0.1%
51	Korea, Republic of	1	0.1%
52	Switzerland	1	0.1%
53	Slovenia	1	0.1%
54	Saudi Arabia	1	0.1%