Rank	Countries/Territories	Count	Percent
1	United States	297	40.4%
2	China	263	35.8%
3	Germany	48	6.5%
4	Japan	35	4.8%
5	Spain	17	2.3%
6	Singapore	13	1.8%
7	Korea, Republic of	10	1.4%
8	Netherlands	8	1.1%
9	United Kingdom	6	0.8%
10	Hungary	5	0.7%
11	India	4	0.5%
12	France	4	0.5%
13	Canada	3	0.4%
14	Cyprus	3	0.4%
15	Austria	3	0.4%
16	Argentina	2	0.3%
17	Australia	2	0.3%
18	Ireland	2	0.3%
19	Mexico	2	0.3%
20	Poland	2	0.3%
21	Switzerland	1	0.1%
22	Hong Kong	1	0.1%
23	Palestine, State of	1	0.1%
24	Malaysia	1	0.1%
25	Brazil	1	0.1%
26	Egypt	1	0.1%