<data xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<row _id="1"><annee>1950</annee><ensemble>1822.77</ensemble></row>
<row _id="2"><annee>1951</annee><ensemble>1857.67</ensemble></row>
<row _id="3"><annee>1952</annee><ensemble>1838.72</ensemble></row>
<row _id="4"><annee>1953</annee><ensemble>1825.26</ensemble></row>
<row _id="5"><annee>1954</annee><ensemble>1844.34</ensemble></row>
<row _id="6"><annee>1955</annee><ensemble>1843.85</ensemble></row>
<row _id="7"><annee>1956</annee><ensemble>1816.36</ensemble></row>
<row _id="8"><annee>1957</annee><ensemble>1809.39</ensemble></row>
<row _id="9"><annee>1958</annee><ensemble>1803.12</ensemble></row>
<row _id="10"><annee>1959</annee><ensemble>1806.99</ensemble></row>
<row _id="11"><annee>1960</annee><ensemble>1825.87</ensemble></row>
<row _id="12"><annee>1961</annee><ensemble>1817.07</ensemble></row>
<row _id="13"><annee>1962</annee><ensemble>1836.03</ensemble></row>
<row _id="14"><annee>1963</annee><ensemble>1831.05</ensemble></row>
<row _id="15"><annee>1964</annee><ensemble>1846.64</ensemble></row>
<row _id="16"><annee>1965</annee><ensemble>1841.76</ensemble></row>
<row _id="17"><annee>1966</annee><ensemble>1842.8</ensemble></row>
<row _id="18"><annee>1967</annee><ensemble>1818.42</ensemble></row>
<row _id="19"><annee>1968</annee><ensemble>1797.9</ensemble></row>
<row _id="20"><annee>1969</annee><ensemble>1747.69</ensemble></row>
<row _id="21"><annee>1970</annee><ensemble>1739.13</ensemble></row>
<row _id="22"><annee>1971</annee><ensemble>1743.24</ensemble></row>
<row _id="23"><annee>1972</annee><ensemble>1703.95</ensemble></row>
<row _id="24"><annee>1973</annee><ensemble>1696.33</ensemble></row>
<row _id="25"><annee>1974</annee><ensemble>1673.46</ensemble></row>
<row _id="26"><annee>1975</annee><ensemble>1652.98</ensemble></row>
<row _id="27"><annee>1976</annee><ensemble>1682.03</ensemble></row>
<row _id="28"><annee>1977</annee><ensemble>1651.42</ensemble></row>
<row _id="29"><annee>1978</annee><ensemble>1625.39</ensemble></row>
<row _id="30"><annee>1979</annee><ensemble>1625.37</ensemble></row>
<row _id="31"><annee>1980</annee><ensemble>1620.71</ensemble></row>
<row _id="32"><annee>1981</annee><ensemble>1604.18</ensemble></row>
<row _id="33"><annee>1982</annee><ensemble>1532.59</ensemble></row>
<row _id="34"><annee>1983</annee><ensemble>1516.31</ensemble></row>
<row _id="35"><annee>1984</annee><ensemble>1510.7</ensemble></row>
<row _id="36"><annee>1985</annee><ensemble>1484.89</ensemble></row>
<row _id="37"><annee>1986</annee><ensemble>1483.31</ensemble></row>
<row _id="38"><annee>1987</annee><ensemble>1497.27</ensemble></row>
<row _id="39"><annee>1988</annee><ensemble>1507.92</ensemble></row>
<row _id="40"><annee>1989</annee><ensemble>1496.52</ensemble></row>
<row _id="41"><annee>1990</annee><ensemble>1497.95</ensemble></row>
<row _id="42"><annee>1991</annee><ensemble>1487.78</ensemble></row>
<row _id="43"><annee>1992</annee><ensemble>1490.74</ensemble></row>
<row _id="44"><annee>1993</annee><ensemble>1484.55</ensemble></row>
<row _id="45"><annee>1994</annee><ensemble>1483.82</ensemble></row>
<row _id="46"><annee>1995</annee><ensemble>1466.22</ensemble></row>
<row _id="47"><annee>1996</annee><ensemble>1462.83</ensemble></row>
<row _id="48"><annee>1997</annee><ensemble>1459.72</ensemble></row>
<row _id="49"><annee>1998</annee><ensemble>1452.09</ensemble></row>
<row _id="50"><annee>1999</annee><ensemble>1450.48</ensemble></row>
<row _id="51"><annee>2000</annee><ensemble>1430.4</ensemble></row>
<row _id="52"><annee>2001</annee><ensemble>1415.18</ensemble></row>
<row _id="53"><annee>2002</annee><ensemble>1386.79</ensemble></row>
<row _id="54"><annee>2003</annee><ensemble>1390.77</ensemble></row>
<row _id="55"><annee>2004</annee><ensemble>1413.57</ensemble></row>
<row _id="56"><annee>2005</annee><ensemble>1416.17</ensemble></row>
<row _id="57"><annee>2006</annee><ensemble>1400.44</ensemble></row>
<row _id="58"><annee>2007</annee><ensemble>1424.12</ensemble></row>
<row _id="59"><annee>2008</annee><ensemble>1432.55</ensemble></row>
<row _id="60"><annee>2009</annee><ensemble>1418.94</ensemble></row>
<row _id="61"><annee>2010</annee><ensemble>1427.67</ensemble></row>
<row _id="62"><annee>2011</annee><ensemble>1434.51</ensemble></row>
<row _id="63"><annee>2012</annee><ensemble>1429.16</ensemble></row>
<row _id="64"><annee>2013</annee><ensemble>1417.05</ensemble></row>
<row _id="65"><annee>2014</annee><ensemble>1411.78</ensemble></row>
<row _id="66"><annee>2015</annee><ensemble>1412.33</ensemble></row>
<row _id="67"><annee>2016</annee><ensemble>1420.1</ensemble></row>
<row _id="68"><annee>2017</annee><ensemble>1419.64</ensemble></row>
</data>
