Rank	Countries/Territories	Count	Percent
1	United States	264	33.1%
2	China	199	24.9%
3	Japan	82	10.3%
4	Germany	71	8.9%
5	Singapore	20	2.5%
6	Canada	19	2.4%
7	United Kingdom	17	2.1%
8	Norway	15	1.9%
9	Romania	14	1.8%
10	France	10	1.3%
11	Korea, Republic of	9	1.1%
12	Netherlands	9	1.1%
13	Iran, Islamic Republic of	8	1%
14	Malaysia	7	0.9%
15	India	6	0.8%
16	Indonesia	6	0.8%
17	Austria	6	0.8%
18	Australia	5	0.6%
19	Turkey	5	0.6%
20	Spain	3	0.4%
21	Croatia	3	0.4%
22	Cyprus	3	0.4%
23	Egypt	2	0.3%
24	Brazil	2	0.3%
25	Hong Kong	2	0.3%
26	Taiwan	2	0.3%
27	Ukraine	2	0.3%
28	Slovakia	2	0.3%
29	Saudi Arabia	1	0.1%
30	Poland	1	0.1%
31	Viet Nam	1	0.1%
32	Greece	1	0.1%
33	Ireland	1	0.1%