<?xml-stylesheet type='text/xsl' href='transform1.xsl'?>
<base> ma liste de clients
  <contact>
   <nom>fab</nom>
   <tel>+33492387788</tel>
   <facture>38</facture>
   <facture>75</facture>
   <facture>30</facture>
  </contact>
  <contact>
   <nom>tom</nom>
   <tel>+34499527152</tel>
   <facture>24</facture>
  </contact>
  <contact>
   <nom>oliv</nom>
   <tel>+33237914568</tel>
   <facture>80</facture>
   <facture>12</facture>
  </contact>
  <contact>
   <nom>jerome</nom>
   <tel>+33237915678</tel>
   <facture>80</facture>
   <facture>30</facture>
  </contact>
</base>