Rank	Countries/Territories	Count	Percent
1	United States	522	35.7%
2	China	473	32.4%
3	Germany	173	11.8%
4	France	55	3.8%
5	India	38	2.6%
6	Netherlands	21	1.4%
7	Korea, Republic of	17	1.2%
8	Russia	16	1.1%
9	Singapore	16	1.1%
10	Japan	16	1.1%
11	United Kingdom	13	0.9%
12	Australia	12	0.8%
13	Thailand	9	0.6%
14	Cyprus	8	0.5%
15	Italy	7	0.5%
16	Peru	7	0.5%
17	Senegal	6	0.4%
18	Ireland	6	0.4%
19	Taiwan	5	0.3%
20	Sweden	4	0.3%
21	Brazil	4	0.3%
22	Canada	3	0.2%
23	Argentina	3	0.2%
24	Iran, Islamic Republic of	3	0.2%
25	Ukraine	3	0.2%
26	Spain	2	0.1%
27	Portugal	2	0.1%
28	Saudi Arabia	2	0.1%
29	Hong Kong	2	0.1%
30	Denmark	2	0.1%
31	Uzbekistan	2	0.1%
32	Egypt	1	0.1%
33	Afghanistan	1	0.1%
34	Romania	1	0.1%
35	Mongolia	1	0.1%
36	Morocco	1	0.1%
37	New Zealand	1	0.1%
38	Norway	1	0.1%
39	Tunisia	1	0.1%
40	Turkey	1	0.1%