Rank	Countries/Territories	Count	Percent
1	United States	260	50.1%
2	China	108	20.8%
3	Germany	38	7.3%
4	Canada	24	4.6%
5	India	23	4.4%
6	Singapore	13	2.5%
7	Japan	12	2.3%
8	Netherlands	9	1.7%
9	France	6	1.2%
10	Switzerland	5	1%
11	Italy	3	0.6%
12	Portugal	3	0.6%
13	Malaysia	2	0.4%
14	Ireland	2	0.4%
15	Australia	2	0.4%
16	Bahrain	2	0.4%
17	Cyprus	2	0.4%
18	Egypt	2	0.4%
19	Ethiopia	1	0.2%
20	Norway	1	0.2%
21	Thailand	1	0.2%