2009福布斯全球富豪排行榜第三十一位是谁？？

Rank Name Citizenship Age Net Worth ($bil) Residence
26 Donald Bren United States 76 12.0 United States
26 Sergey Brin United States 35 12.0 United States
26 Larry Page United States 36 12.0 United States
29 Steven Ballmer United States 53 11.0 United States
29 Gerald Cavendish Grosvenor & family United Kingdom 57 11.0 United Kingdom
29 George Soros United States 78 11.0 United States
32 Paul Allen United States 56 10.5 United States
32 Kwok family Hong Kong NA 10.5 Hong Kong
34 Anil Ambani India 49 10.1 India
35 Abigail Johnson United States 47 10.0 United States
35 Susanne Klatten Germany 46 10.0 Germany
35 Ronald Perelman United States 66 10.0 United States
35 Hans Rausing Sweden 83 10.0 United Kingdom
39 Birgit Rausing & family Sweden 85 9.9 Switzerland
40 Michele Ferrero & family Italy 82 9.5 Monaco
40 Mikhai