Rank	Countries/Territories	Count	Percent
1	United States	164	32.9%
2	China	138	27.7%
3	Singapore	19	3.8%
4	Japan	18	3.6%
5	Germany	14	2.8%
6	Korea, Republic of	13	2.6%
7	Romania	13	2.6%
8	United Kingdom	13	2.6%
9	Netherlands	11	2.2%
10	Indonesia	9	1.8%
11	Canada	8	1.6%
12	France	7	1.4%
13	Australia	7	1.4%
14	Iran, Islamic Republic of	6	1.2%
15	Ukraine	6	1.2%
16	Turkey	5	1%
17	Spain	5	1%
18	Lithuania	5	1%
19	Ireland	5	1%
20	Italy	5	1%
21	Belgium	3	0.6%
22	India	3	0.6%
23	Saudi Arabia	2	0.4%
24	Luxembourg	2	0.4%
25	United Arab Emirates	2	0.4%
26	Hong Kong	2	0.4%
27	Hungary	1	0.2%
28	Brazil	1	0.2%
29	Bulgaria	1	0.2%
30	Bahamas	1	0.2%
31	Croatia	1	0.2%
32	Czech Republic	1	0.2%
33	Denmark	1	0.2%
34	Egypt	1	0.2%
35	Taiwan	1	0.2%
36	Slovenia	1	0.2%
37	Moldova, Republic of	1	0.2%
38	Morocco	1	0.2%
39	Viet Nam	1	0.2%