Rank	Countries/Territories	Count	Percent
1	United States	328	40.2%
2	China	245	30%
3	Germany	109	13.4%
4	Japan	31	3.8%
5	Ireland	27	3.3%
6	Netherlands	9	1.1%
7	Singapore	9	1.1%
8	France	9	1.1%
9	Cyprus	7	0.9%
10	Korea, Republic of	6	0.7%
11	Malaysia	4	0.5%
12	Egypt	4	0.5%
13	Switzerland	4	0.5%
14	Ukraine	4	0.5%
15	United Kingdom	4	0.5%
16	India	3	0.4%
17	South Africa	3	0.4%
18	Nigeria	3	0.4%
19	Australia	2	0.2%
20	Bulgaria	1	0.1%
21	Canada	1	0.1%
22	Israel	1	0.1%
23	Norway	1	0.1%
24	Mongolia	1	0.1%