<data xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<row _id="1"><datum>2020-12-31</datum><altoel>41</altoel><speiseoel>68.1</speiseoel></row>
<row _id="2"><datum>2021-12-31</datum><altoel>38</altoel><speiseoel>71.6</speiseoel></row>
<row _id="3"><datum>2022-12-31</datum><altoel>39.36</altoel><speiseoel>68.22</speiseoel></row>
<row _id="4"><datum>2023-12-31</datum><altoel>35.42</altoel><speiseoel>68.46</speiseoel></row>
<row _id="5"><datum>2024-12-31</datum><altoel>40.22</altoel><speiseoel>67.96</speiseoel></row>
</data>
