{
  all => { clients => ["a", "b", "c"], total => 27 },
  client => {
    a => { amounts => [1, 3, 2], percent => 22.2222222222222, total => 6 },
    b => { amounts => [5, 7], percent => 44.4444444444444, total => 12 },
    c => { amounts => [9], percent => 33.3333333333333, total => 9 },
  },
}