Note 9- Personnel expenses

  2010 2009 2008
Wages and salaries (*) 485,214 400,880 501,327
Increase in employee benefits 10,879 7,884 8,083
Contributions to defined contribution plans 5,243 3,694 4,182
  501,336 412,458 513,592

.(*) Wages and salaries include compulsory social security contributions and bonuses.