Rank	Countries/Territories	Count	Percent
1	United States	141	35.2%
2	China	139	34.8%
3	Germany	41	10.2%
4	Japan	15	3.8%
5	Netherlands	9	2.2%
6	Korea, Republic of	6	1.5%
7	Hong Kong	6	1.5%
8	Ireland	6	1.5%
9	Singapore	6	1.5%
10	Bosnia and Herzegovina	5	1.2%
11	France	5	1.2%
12	Canada	4	1%
13	Serbia	3	0.8%
14	United Kingdom	2	0.5%
15	Romania	2	0.5%
16	Cyprus	2	0.5%
17	Australia	2	0.5%
18	New Zealand	1	0.2%
19	Norway	1	0.2%
20	Philippines	1	0.2%
21	India	1	0.2%
22	Iran, Islamic Republic of	1	0.2%
23	Taiwan	1	0.2%