Rank	Countries/Territories	Count	Percent
1	United States	140	36.6%
2	China	103	26.9%
3	Germany	35	9.1%
4	India	15	3.9%
5	Switzerland	14	3.7%
6	United Kingdom	13	3.4%
7	Australia	8	2.1%
8	Singapore	7	1.8%
9	Japan	6	1.6%
10	Netherlands	5	1.3%
11	Canada	5	1.3%
12	Ireland	5	1.3%
13	Cyprus	4	1%
14	Egypt	3	0.8%
15	Spain	3	0.8%
16	Taiwan	3	0.8%
17	France	2	0.5%
18	Austria	2	0.5%
19	Hong Kong	2	0.5%
20	Iran, Islamic Republic of	2	0.5%
21	Norway	2	0.5%
22	Portugal	2	0.5%
23	Malaysia	1	0.3%
24	Ukraine	1	0.3%