Rank	Countries/Territories	Count	Percent
1	United States	337	40.4%
2	China	192	23%
3	Germany	89	10.7%
4	Korea, Republic of	22	2.6%
5	Australia	21	2.5%
6	Netherlands	17	2%
7	Singapore	17	2%
8	Japan	15	1.8%
9	India	15	1.8%
10	Sweden	13	1.6%
11	United Kingdom	13	1.6%
12	France	9	1.1%
13	Canada	8	1%
14	Bulgaria	7	0.8%
15	Russia	6	0.7%
16	Mauritius	5	0.6%
17	Bangladesh	5	0.6%
18	Hong Kong	5	0.6%
19	Cyprus	4	0.5%
20	Turkey	4	0.5%
21	Argentina	3	0.4%
22	Greece	2	0.2%
23	Iran, Islamic Republic of	2	0.2%
24	Ireland	2	0.2%
25	Italy	2	0.2%
26	Ukraine	2	0.2%
27	New Zealand	2	0.2%
28	Nigeria	2	0.2%
29	Peru	2	0.2%
30	Poland	2	0.2%
31	Latvia	2	0.2%
32	Lebanon	2	0.2%
33	Mauritania	2	0.2%
34	Spain	1	0.1%
35	Senegal	1	0.1%
36	Hungary	1	0.1%