Rank	Countries/Territories	Count	Percent
1	United States	557	58.1%
2	China	198	20.7%
3	Germany	82	8.6%
4	Japan	27	2.8%
5	Netherlands	14	1.5%
6	Canada	14	1.5%
7		7	0.7%
8	France	6	0.6%
9	Cyprus	6	0.6%
10	Korea, Republic of	6	0.6%
11	Russia	6	0.6%
12	Singapore	6	0.6%
13	Australia	5	0.5%
14	Argentina	4	0.4%
15	Egypt	3	0.3%
16	United Kingdom	3	0.3%
17	Spain	2	0.2%
18	Ukraine	2	0.2%
19	Belgium	2	0.2%
20	Bulgaria	2	0.2%
21	Latvia	2	0.2%
22	Hong Kong	2	0.2%
23	Norway	1	0.1%
24	Mongolia	1	0.1%