Rank	Countries/Territories	Count	Percent
1	United States	361	51.9%
2	China	160	23%
3	Germany	79	11.4%
4	Japan	18	2.6%
5	Netherlands	18	2.6%
6	France	14	2%
7	Singapore	7	1%
8	Korea, Republic of	6	0.9%
9	Lithuania	4	0.6%
10	Bulgaria	3	0.4%
11	Canada	3	0.4%
12	Turkey	3	0.4%
13	Norway	2	0.3%
14	United Kingdom	2	0.3%
15	Hong Kong	2	0.3%
16	South Africa	2	0.3%
17	Switzerland	2	0.3%
18	Taiwan	2	0.3%
19	New Zealand	1	0.1%
20	Nigeria	1	0.1%
21	Argentina	1	0.1%
22	Belgium	1	0.1%
23	Viet Nam	1	0.1%
24	Russia	1	0.1%
25	Ukraine	1	0.1%