Rank	Countries/Territories	Count	Percent
1	United States	568	41.8%
2	China	350	25.8%
3	Germany	154	11.3%
4	Singapore	56	4.1%
5	France	45	3.3%
6	Italy	37	2.7%
7	Japan	24	1.8%
8	United Kingdom	21	1.5%
9	Netherlands	17	1.3%
10	Taiwan	13	1%
11	Canada	10	0.7%
12	Korea, Republic of	9	0.7%
13	Hong Kong	7	0.5%
14	India	7	0.5%
15	Russia	7	0.5%
16	Ireland	6	0.4%
17	Australia	6	0.4%
18	Iran, Islamic Republic of	4	0.3%
19	Norway	2	0.1%
20	Cyprus	2	0.1%
21	Romania	2	0.1%
22	Ukraine	2	0.1%
23	Viet Nam	2	0.1%
24	South Africa	1	0.1%
25	Switzerland	1	0.1%
26	Egypt	1	0.1%
27	Brazil	1	0.1%
28	Greece	1	0.1%
29	Poland	1	0.1%
30	Malaysia	1	0.1%