Rank	Countries/Territories	Count	Percent
1	United States	340	30.3%
2	China	308	27.5%
3	Japan	158	14.1%
4	Singapore	108	9.6%
5	Germany	63	5.6%
6	France	19	1.7%
7	Netherlands	11	1%
8	India	10	0.9%
9	Ireland	9	0.8%
10	Bulgaria	8	0.7%
11	Russia	8	0.7%
12	Korea, Republic of	7	0.6%
13	Latvia	7	0.6%
14	Lithuania	7	0.6%
15	United Kingdom	6	0.5%
16	Brazil	5	0.4%
17	Australia	4	0.4%
18	Colombia	4	0.4%
19	Cyprus	4	0.4%
20	Spain	4	0.4%
21	South Africa	3	0.3%
22	Canada	3	0.3%
23	Turkey	3	0.3%
24	Ukraine	3	0.3%
25	Bangladesh	2	0.2%
26	Cambodia	2	0.2%
27	Saudi Arabia	2	0.2%
28	Philippines	2	0.2%
29	Portugal	2	0.2%
30	Nigeria	1	0.1%
31	Mexico	1	0.1%
32	Sweden	1	0.1%
33	Taiwan	1	0.1%
34	Thailand	1	0.1%
35	Denmark	1	0.1%
36	Egypt	1	0.1%
37	Indonesia	1	0.1%
38	Iran, Islamic Republic of	1	0.1%
39	Viet Nam	1	0.1%