data_sales.txt

93.0  96.0  97.8  9 12  9 20
  88.8  91.8  96.8  7 10 10 15
  95.0 100.3  99.0  8 12  9 26
 101.3 103.8 106.8 13 14 12 29
 102.0 107.8 103.0 10 15 12 32
  95.8  97.5  99.3 10 14 11 21
  95.5  99.5  99.0  9 12  9 25
 110.8 122.0 115.3 18 20 15 51
 102.8 108.3 103.8 10 17 13 31
 106.8 120.5 102.0 14 18 11 39
 103.3 109.8 104.0 12 17 12 32
  99.5 111.8 100.3 10 18  8 31
 103.5 112.5 107.0 16 17 11 34
  99.5 105.5 102.3  8 10 11 34
 100.0 107.0 102.8 13 10  8 34
  81.5  93.5  95.0  7  9  5 16
 101.3 105.3 102.8 11 12 11 32
 103.3 110.8 103.5 11 14 11 35
  95.3 104.3 103.0  5 14 13 30
  99.5 105.3 106.3 17 17 11 27
  88.5  95.3  95.8 10 12  7 15
  99.3 115.0 104.3  5 11 11 42
  87.5  92.5  95.8  9  9  7 16
 105.3 114.0 105.3 12 15 12 37
 107.0 121.0 109.0 16 19 12 39
  93.3 102.0  97.8 10 15  7 23
 106.8 118.0 107.3 14 16 12 39
 106.8 120.0 104.8 10 16 11 49
  92.3  90.8  99.8  8 10 13 17
 106.3 121.0 104.5  9 17 11 44
 106.0 119.5 110.5 18 15 10 43
  88.3  92.8  96.8 13 11  8 10
  96.0 103.3 100.5  7 15 11 27
  94.3  94.5  99.0 10 12 11 19
 106.5 121.5 110.5 18 17 10 42
 106.5 115.5 107.0  8 13 14 47
  92.0  99.5 103.5 18 16  8 18
 102.0  99.8 103.3 13 12 14 28
 108.3 122.3 108.5 15 19 12 41
 106.8 119.0 106.8 14 20 12 37
 102.5 109.3 103.8  9 17 13 32
  92.5 102.5  99.3 13 15  6 23
 102.8 113.8 106.8 17 20 10 32
  83.3  87.3  96.3  1  5  9 15
  94.8 101.8  99.8  7 16 11 24
 103.5 112.0 110.8 18 13 12 37
  89.5  96.0  97.3  7 15 11 14
  84.3  89.8  94.3  8  8  8  9
 104.3 109.5 106.5 14 12 12 36
 106.0 118.5 105.0 12 16 11 39