Rank	Countries/Territories	Count	Percent
1	United States	395	30.9%
2	China	373	29.2%
3	Germany	148	11.6%
4	United Kingdom	55	4.3%
5	Japan	27	2.1%
6	Spain	24	1.9%
7	Netherlands	23	1.8%
8	Australia	20	1.6%
9	India	20	1.6%
10	Iran, Islamic Republic of	13	1%
11	France	13	1%
12	Russia	12	0.9%
13	Ukraine	11	0.9%
14	Portugal	11	0.9%
15	Canada	11	0.9%
16	Denmark	10	0.8%
17	Poland	10	0.8%
18	Hong Kong	9	0.7%
19	Finland	8	0.6%
20	South Africa	8	0.6%
21	Cyprus	6	0.5%
22	Ireland	6	0.5%
23	Brazil	6	0.5%
24	Italy	6	0.5%
25	Korea, Republic of	6	0.5%
26	Switzerland	5	0.4%
27	Sweden	4	0.3%
28	Iceland	4	0.3%
29	Belgium	4	0.3%
30	Israel	3	0.2%
31	Tunisia	3	0.2%
32	Uzbekistan	2	0.2%
33	Egypt	2	0.2%
34	Austria	2	0.2%
35	Chile	2	0.2%
36	Pakistan	2	0.2%
37	Peru	2	0.2%
38	Philippines	2	0.2%
39	Romania	1	0.1%
40	Jordan	1	0.1%
41	Lebanon	1	0.1%
42	Malaysia	1	0.1%
43	Mexico	1	0.1%
44	Morocco	1	0.1%
45	Colombia	1	0.1%
46	Croatia	1	0.1%
47	Bangladesh	1	0.1%
48	Turkey	1	0.1%
49	United Arab Emirates	1	0.1%