Rank	Countries/Territories	Count	Percent
1	United States	579	43.3%
2	China	282	21.1%
3	Japan	168	12.6%
4	Germany	51	3.8%
5	Singapore	29	2.2%
6	Netherlands	27	2%
7	India	23	1.7%
8	Korea, Republic of	14	1%
9	Ireland	14	1%
10	Taiwan	14	1%
11	Canada	13	1%
12	United Kingdom	11	0.8%
13	Philippines	10	0.7%
14	Thailand	9	0.7%
15	Iran, Islamic Republic of	8	0.6%
16	Egypt	8	0.6%
17	Indonesia	7	0.5%
18	France	7	0.5%
19	Russia	6	0.4%
20	Pakistan	5	0.4%
21	Australia	5	0.4%
22	Hong Kong	4	0.3%
23	Iraq	4	0.3%
24	Romania	4	0.3%
25	Malaysia	3	0.2%
26	Finland	3	0.2%
27	Bangladesh	3	0.2%
28	Brazil	2	0.1%
29	Cyprus	2	0.1%
30	Norway	2	0.1%
31	Spain	2	0.1%
32	Sweden	2	0.1%
33	Switzerland	2	0.1%
34	Saudi Arabia	2	0.1%
35	Turkey	2	0.1%
36	Viet Nam	2	0.1%
37	Ukraine	1	0.1%
38	Mexico	1	0.1%
39	Nicaragua	1	0.1%
40	Luxembourg	1	0.1%
41	Ghana	1	0.1%
42	Argentina	1	0.1%
43	Ethiopia	1	0.1%
44	Colombia	1	0.1%