<projects>
  <project>
    <year>2004</year>
    <name>P1</name>
    <cost>10000</cost>
  </project>
  <project>
    <year>2005</year>
    <name>P1</name>
    <cost>11000</cost>
  </project>
  <project>
    <year>2005</year>
    <name>P2</name>
    <cost>12000</cost>
  </project>
  <project>
    <year>2005</year>
    <name>P3</name>
    <cost>13000</cost>
  </project>
  <project>
    <year>2006</year>
    <name>P1</name>
    <cost>80000</cost>
  </project>
</projects>
