Rank	Countries/Territories	Count	Percent
1	United States	508	37.7%
2	China	454	33.7%
3	Germany	117	8.7%
4	Japan	38	2.8%
5	France	33	2.4%
6	India	30	2.2%
7	Hong Kong	24	1.8%
8	Netherlands	15	1.1%
9	Russia	12	0.9%
10	Korea, Republic of	11	0.8%
11	Greece	8	0.6%
12	Brazil	8	0.6%
13	United Kingdom	7	0.5%
14	Senegal	7	0.5%
15	Sweden	7	0.5%
16	Singapore	6	0.4%
17	Ireland	6	0.4%
18	Turkey	6	0.4%
19	Canada	6	0.4%
20		5	0.4%
21	Cyprus	5	0.4%
22	Switzerland	5	0.4%
23	Argentina	4	0.3%
24	Australia	4	0.3%
25	Norway	3	0.2%
26	Romania	3	0.2%
27	Iran, Islamic Republic of	3	0.2%
28	Mexico	2	0.1%
29	Chile	2	0.1%
30	Denmark	2	0.1%
31	Latvia	2	0.1%
32	Lithuania	1	0.1%
33	Egypt	1	0.1%
34	Namibia	1	0.1%
35	Saudi Arabia	1	0.1%
36	Taiwan	1	0.1%
37	South Africa	1	0.1%