Rank	Countries/Territories	Count	Percent
1	United States	180	34.4%
2	China	158	30.2%
3	Germany	58	11.1%
4	Japan	56	10.7%
5	Singapore	12	2.3%
6		10	1.9%
7	Australia	7	1.3%
8	India	6	1.1%
9	Canada	6	1.1%
10	United Kingdom	6	1.1%
11	Netherlands	5	1%
12	Korea, Republic of	3	0.6%
13	Brazil	3	0.6%
14	Cyprus	3	0.6%
15	France	2	0.4%
16	Norway	2	0.4%
17	Turkey	2	0.4%
18	South Africa	2	0.4%
19	Spain	1	0.2%
20	Switzerland	1	0.2%
21	Iran, Islamic Republic of	1	0.2%