Rank	Countries/Territories	Count	Percent
1	United States	329	30%
2	China	328	29.9%
3	Germany	121	11%
4	United Kingdom	46	4.2%
5	Japan	26	2.4%
6	Spain	24	2.2%
7	Netherlands	22	2%
8	India	20	1.8%
9	Australia	19	1.7%
10	Iran, Islamic Republic of	13	1.2%
11	Russia	12	1.1%
12	Ukraine	11	1%
13	Poland	10	0.9%
14	Denmark	10	0.9%
15	Finland	8	0.7%
16	South Africa	8	0.7%
17	Portugal	7	0.6%
18	Hong Kong	7	0.6%
19	France	6	0.5%
20	Ireland	6	0.5%
21	Brazil	6	0.5%
22	Canada	6	0.5%
23	Cyprus	6	0.5%
24	Italy	5	0.5%
25	Belgium	4	0.4%
26	Iceland	4	0.4%
27	Israel	3	0.3%
28	Switzerland	3	0.3%
29	Tunisia	3	0.3%
30	Uzbekistan	2	0.2%
31	Egypt	2	0.2%
32	Chile	2	0.2%
33	Austria	2	0.2%
34	Peru	2	0.2%
35	Sweden	2	0.2%
36	Philippines	1	0.1%
37	Romania	1	0.1%
38	Pakistan	1	0.1%
39	Jordan	1	0.1%
40	Korea, Republic of	1	0.1%
41	Lebanon	1	0.1%
42	Malaysia	1	0.1%
43	Mexico	1	0.1%
44	Morocco	1	0.1%
45	Bangladesh	1	0.1%
46	Colombia	1	0.1%
47	Turkey	1	0.1%
48	United Arab Emirates	1	0.1%