Rank	Countries/Territories	Count	Percent
1	United States	246	38.6%
2	China	217	34%
3	Germany	89	13.9%
4	Japan	12	1.9%
5	Ireland	12	1.9%
6	Korea, Republic of	10	1.6%
7	Singapore	7	1.1%
8	India	6	0.9%
9	France	5	0.8%
10	Australia	5	0.8%
11	Netherlands	5	0.8%
12	Canada	4	0.6%
13	Russia	4	0.6%
14	Ukraine	3	0.5%
15	Cyprus	3	0.5%
16	Romania	2	0.3%
17	Israel	2	0.3%
18	Malaysia	2	0.3%
19	Mongolia	1	0.2%
20	Georgia	1	0.2%
21	United Kingdom	1	0.2%
22	Switzerland	1	0.2%