Plot plugin xpath expression guidance

Can you please help me with the correct xpath expression to be mentioned in jenkins for plot plugin. This is the xml file content. I want the plot plugin to plot all values of stadiums category attribute values which are 10,20,12,15,3,5

<?xml version="1.0" standalone="yes"?>
<stadiums id="1">
<stadiums id="2">
<stadiums id="3">

Hello @Akhila ,

I don’t know the plugin, but I would go with: