Rank	Countries/Territories	Count	Percent
1	United States	420	35.2%
2	China	396	33.2%
3	Germany	87	7.3%
4	Singapore	85	7.1%
5	Japan	42	3.5%
6		19	1.6%
7	Turkey	19	1.6%
8	Spain	16	1.3%
9	Netherlands	14	1.2%
10	Canada	10	0.8%
11	Australia	9	0.8%
12	France	8	0.7%
13	Korea, Republic of	8	0.7%
14	Hong Kong	8	0.7%
15	Cyprus	7	0.6%
16	Norway	7	0.6%
17	India	6	0.5%
18	Ireland	4	0.3%
19	Italy	4	0.3%
20	Denmark	3	0.3%
21	Iran, Islamic Republic of	2	0.2%
22	Latvia	2	0.2%
23	Slovenia	2	0.2%
24	Poland	2	0.2%
25	Portugal	2	0.2%
26	Ukraine	2	0.2%
27	United Kingdom	2	0.2%
28	Switzerland	1	0.1%
29	Tunisia	1	0.1%
30	Russia	1	0.1%
31	South Africa	1	0.1%
32	Malaysia	1	0.1%
33	Mongolia	1	0.1%
34	Bangladesh	1	0.1%
35	Argentina	1	0.1%