Rank	Countries/Territories	Count	Percent
1	United States	165	31.2%
2	China	158	29.9%
3	Singapore	19	3.6%
4	Japan	18	3.4%
5	Germany	15	2.8%
6	Korea, Republic of	13	2.5%
7	Romania	13	2.5%
8	United Kingdom	13	2.5%
9	Netherlands	11	2.1%
10	Indonesia	9	1.7%
11	Canada	8	1.5%
12	France	8	1.5%
13	Spain	8	1.5%
14	Iran, Islamic Republic of	7	1.3%
15	Australia	7	1.3%
16	Ukraine	6	1.1%
17	Turkey	5	0.9%
18	Lithuania	5	0.9%
19	Ireland	5	0.9%
20	Italy	5	0.9%
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	Taiwan	2	0.4%
27	Slovakia	2	0.4%
28	Hong Kong	2	0.4%
29	Viet Nam	2	0.4%
30	Hungary	1	0.2%
31	Brazil	1	0.2%
32	Bulgaria	1	0.2%
33	Bahamas	1	0.2%
34	Croatia	1	0.2%
35	Czech Republic	1	0.2%
36	Denmark	1	0.2%
37	Egypt	1	0.2%
38	Slovenia	1	0.2%
39	Moldova, Republic of	1	0.2%
40	Morocco	1	0.2%