The chart is ignoring the y axis min and max even tough data is within the min and max
here is my XML
<chart caption="Toronto, ON" invertYAxis="1" subcaption="Average price" yAxisName="" numberprefix="" bgcolor="#FFFFFF" bgImage="" showvalues="0" showAlternateHGridColor="1" placevaluesInside="0" labeldisplay="WRAP" adjustDiv="0" numDivLines="22" yAxisValuesStep="2" divlinecolor="#CCCCCC" divlineThickness="2" divlinealpha="100" showAlternateVGridColor="0" numVDivlines="10" adjustVDiv="0" vDivlineColor="#CCCCCC" vDivlineAlpha="100" useroundedges="0" yAxisMaxValue="672000" yAxisMinValue="519999" showcanvasbg="0" canvasPadding="20" canvasborderthickness="1" animation="1" palettecolors="#e44a00" showLegend="0" rotatevalues="" bgImageVAlign="middle" bgImageHAlign="middle" plotGradientColor="" use3DLighting="0" labelStep="0" labelPadding="20" labelFontBold="1" yAxisValuesPadding="10" showYAxisValues="1" showDivLineSecondaryValue="0" showSecondaryLimits="0" numVisibleLabels="12" tooltipcolor="#FFFFFF" tooltipbordercolor="#FFFFFF" tooltipbgcolor="#000000" tooltipbgalpha="80" forceYAxisValueDecimals="1" yAxisValueDecimals="0" showborder="0" lineThickness="6" showZeroPlaneValue="0">
<annotations>
<annotationgroup id="branding" x="$canvasStartX" y="$canvasStartY">
<annotation id="label" type="Image" url="images/ims_chartlogo.jpg" y="0" x="0"/>
<annotation id="label" text="Prepared by Ahmad Bhatti" fillcolor="#000000" family="Arial" type="text" x="110" y="9"/>
</annotationgroup>
<annotationgroup id="GAvPriceBX" x="$captionStartX + 420" y="$captionStartY">
<annotation type="text" text="R.O.I. +11.3%" fillcolor="#000000" x="15" y="12"/>
<annotation type="text" text="Return on Investment" fillcolor="#000000" x="14" y="30"/>
</annotationgroup>
</annotations>
<styles>
<definition>
<style name="TitleStyle" type="font" font="Arial" size="24" color="#007000" bold="1"/>
<style name="subTitleStyle" type="font" font="Arial" size="20" color="663377" bold="1"/>
<style name="searchStyle" type="font" font="Arial" bold="1" size="25" color="000000"/>
<style name="canvasStyle" type="font" font="Arial" bold="1" size="17" color="000000"/>
<style name="canvasStyleCL" type="font" font="Arial" bold="1" size="17" color="#C00000"/>
<style name="LegendStyleCL" type="font" font="Arial" bold="1" size="17"/>
<style name="dataValuesStyle" type="font" font="Arial" bold="1" size="14"/>
</definition>
<application>
<apply toObject="Caption" styles="TitleStyle"/>
<apply toObject="SubCaption" styles="subTitleStyle"/>
<apply toObject="DATAVALUES" styles="dataValuesStyle"/>
<apply toObject="YAXISVALUES" styles="canvasStyleCL"/>
<apply toObject="XAXISVALUES" styles="canvasStyle"/>
<apply toObject="YAXISNAME" styles="canvasStyleCL"/>
<apply toObject="XAXISNAME" styles="canvasStyleCL"/>
<apply toObject="DataLabels" styles="canvasStyle"/>
<apply toObject="Legend" styles="canvasStyle"/>
</application>
</styles>
<categories>
<category label="Aug 14"/>
<category label="Sep 14"/>
<category label="Oct 14"/>
<category label="Nov 14"/>
<category label="Dec 14"/>
<category label="Jan 15"/>
<category label="Feb 15"/>
<category label="Mar 15"/>
<category label="Apr 15"/>
<category label="May 15"/>
<category label="Jun 15"/>
<category label="Jul 15"/>
</categories>
<dataset seriesname="2015" renderas="Line" color="#C00000">
<set name="Aug 14" value="533115"/>
<set name="Sep 14" value="566056"/>
<set name="Oct 14" value="575854"/>
<set name="Nov 14" value="566044"/>
<set name="Dec 14" value="541035"/>
<set name="Jan 15" value="546378"/>
<set name="Feb 15" value="581398"/>
<set name="Mar 15" value="601149"/>
<set name="Apr 15" value="620937"/>
<set name="May 15" value="630360"/>
<set name="Jun 15" value="619915"/>
<set name="Jul 15" value="593189"/>
</dataset>
<dataset seriesname="2015" renderas="Bar">
<set name="Aug 14" value="533115"/>
<set name="Sep 14" value="566056"/>
<set name="Oct 14" value="575854"/>
<set name="Nov 14" value="566044"/>
<set name="Dec 14" value="541035"/>
<set name="Jan 15" value="546378"/>
<set name="Feb 15" value="581398"/>
<set name="Mar 15" value="601149"/>
<set name="Apr 15" value="620937"/>
<set name="May 15" value="630360"/>
<set name="Jun 15" value="619915"/>
<set name="Jul 15" value="593189"/>
</dataset>
<margin all="0"/>
</chart>