Rank	Countries/Territories	Count	Percent
1	United States	343	36.8%
2	China	224	24.1%
3	Japan	106	11.4%
4	Germany	94	10.1%
5	Ireland	22	2.4%
6	Taiwan	22	2.4%
7	France	19	2%
8	India	18	1.9%
9	Switzerland	13	1.4%
10	Ukraine	13	1.4%
11	Australia	10	1.1%
12	Israel	8	0.9%
13	Netherlands	6	0.6%
14	Romania	5	0.5%
15	Canada	5	0.5%
16	Korea, Republic of	4	0.4%
17	Cyprus	3	0.3%
18	Malaysia	2	0.2%
19	Indonesia	2	0.2%
20	Russia	2	0.2%
21	Singapore	2	0.2%
22	Portugal	2	0.2%
23	Turkey	2	0.2%
24	Mongolia	1	0.1%
25	Brazil	1	0.1%
26	Algeria	1	0.1%
27	Argentina	1	0.1%