Rank	Countries/Territories	Count	Percent
1	United States	461	38.9%
2	China	337	28.4%
3	Germany	142	12%
4	France	35	3%
5	India	26	2.2%
6	Korea, Republic of	17	1.4%
7	Netherlands	16	1.4%
8	Russia	16	1.4%
9	Singapore	15	1.3%
10	Japan	15	1.3%
11	Australia	11	0.9%
12	United Kingdom	11	0.9%
13	Thailand	9	0.8%
14	Peru	7	0.6%
15	Cyprus	7	0.6%
16	Italy	7	0.6%
17	Ireland	6	0.5%
18	Senegal	6	0.5%
19	Taiwan	5	0.4%
20	Brazil	4	0.3%
21	Argentina	3	0.3%
22	Iran, Islamic Republic of	3	0.3%
23	Ukraine	3	0.3%
24	Spain	2	0.2%
25	Portugal	2	0.2%
26	Saudi Arabia	2	0.2%
27	Hong Kong	2	0.2%
28	Canada	2	0.2%
29	Denmark	2	0.2%
30	Uzbekistan	2	0.2%
31	Egypt	1	0.1%
32	Afghanistan	1	0.1%
33	Romania	1	0.1%
34	New Zealand	1	0.1%
35	Norway	1	0.1%
36	Mongolia	1	0.1%
37	Morocco	1	0.1%
38	Tunisia	1	0.1%
39	Turkey	1	0.1%