Rank	Countries/Territories	Count	Percent
1	United States	250	42.4%
2	China	122	20.7%
3	Germany	80	13.6%
4	Singapore	17	2.9%
5	Netherlands	14	2.4%
6	France	11	1.9%
7	Mexico	10	1.7%
8	Switzerland	10	1.7%
9	Korea, Republic of	7	1.2%
10	Canada	7	1.2%
11	Cyprus	6	1%
12	Ecuador	6	1%
13	Ireland	6	1%
14	Japan	6	1%
15	India	5	0.8%
16	Australia	5	0.8%
17	Egypt	4	0.7%
18	Ethiopia	3	0.5%
19	Hong Kong	3	0.5%
20	Ukraine	3	0.5%
21	Peru	3	0.5%
22	Norway	2	0.3%
23	Indonesia	2	0.3%
24	Iran, Islamic Republic of	2	0.3%
25	Bangladesh	1	0.2%
26	Palestine, State of	1	0.2%
27	Philippines	1	0.2%
28	Romania	1	0.2%
29	Russia	1	0.2%