Rank	Countries/Territories	Count	Percent
1	United States	372	31.5%
2	China	330	28%
3	Japan	175	14.8%
4	Germany	81	6.9%
5	Singapore	79	6.7%
6	Korea, Republic of	26	2.2%
7	United Kingdom	20	1.7%
8	Australia	13	1.1%
9	Netherlands	10	0.8%
10	Canada	9	0.8%
11	France	7	0.6%
12	Hong Kong	7	0.6%
13	Taiwan	7	0.6%
14	Iran, Islamic Republic of	6	0.5%
15	India	4	0.3%
16	Thailand	4	0.3%
17	Viet Nam	3	0.3%
18	Bangladesh	3	0.3%
19	Ireland	3	0.3%
20	Malaysia	3	0.3%
21	Mexico	2	0.2%
22	Cyprus	2	0.2%
23	Czech Republic	2	0.2%
24	Russia	2	0.2%
25	Poland	2	0.2%
26	Portugal	1	0.1%
27	Slovakia	1	0.1%
28	Spain	1	0.1%
29	Turkey	1	0.1%
30	Uzbekistan	1	0.1%
31	Italy	1	0.1%
32	New Zealand	1	0.1%
33	Norway	1	0.1%