XSL-Grouping data

Hi All,

I am new in xsl/xml and dont yet know much about the intricacies of xsl 
programming.I would like to group the following data (please see the xml 
format) in the form of tables.I have gone through the faq and replies to 
similar queries but the solutions are somehow not working in my case.Kindly 
forgive me for my ignorance.
It will be great if somebody could suggest an efficient solution.

Regards,
Anupama

XML:
<?xml version="1.0" encoding="UTF-8"?>
<Report Name="report" Title="report">
 <TABLE Columns="10" Name="GeneralView" Title="GeneralView">
<!-- Need to group first at THE level
    then at ARE level
    and last at PFY level
    The data is available at runtime
    The data on the screen is displayed in the form of tables(at different 
levels)
THE
        ARE
                PFY
                Data under PFY
-->

   <Row RowType="Heading" Title="GeneralView">
     <ColumnHeading Name="THE"></ColumnHeading>
     <ColumnHeading Name="ARE"></ColumnHeading>
     <ColumnHeading Name="PFY"></ColumnHeading>
     <ColumnHeading Name="Heading 1"></ColumnHeading>
     <ColumnHeading Name=" "></ColumnHeading>
     <ColumnHeading Name="Heading 2"></ColumnHeading>
     <ColumnHeading Name="Amount"></ColumnHeading>
     <ColumnHeading Name=" "></ColumnHeading>
     <ColumnHeading Name=" "></ColumnHeading>
     <ColumnHeading Name=" "></ColumnHeading>
   </Row>
   <Row Name="Instances" RowType="Data">
     <TableCell Datatype="string" Name="THE" Pattern="" >USP</TableCell>
     <TableCell Datatype="string" Name="ARE" Pattern="" >CUE</TableCell>
     <TableCell Datatype="string" Name="PFY" Pattern="" >3423</TableCell>
     <TableCell Datatype="string" Name="Heading 1" Pattern="" 
>3170</TableCell>
     <TableCell Datatype="string" Name=" " Pattern="" >123</TableCell>
     <TableCell Datatype="string" Name="Heading 2" Pattern="" 
>00:00:00.0</TableCell>
     <TableCell Datatype="string" Name="Amount" Pattern="" 
>182035.38</TableCell>
     <TableCell Datatype="string" Name=" " Pattern="" 
>182035.38</TableCell>
     <TableCell Datatype="string" Name=" " Pattern="" >424226</TableCell>
     <TableCell Datatype="string" Name=" " Pattern="" >424226</TableCell>
   </Row>
   <Row Name="Instances" RowType="Data">
     <TableCell Datatype="string" Name="THE" Pattern="" >USP</TableCell>
     <TableCell Datatype="string" Name="ARE" Pattern="" >CUE</TableCell>
     <TableCell Datatype="string" Name="PFY" Pattern="" >2600</TableCell>
     <TableCell Datatype="string" Name="Heading 1" Pattern="" 
>11426</TableCell>
     <TableCell Datatype="string" Name=" " Pattern="" >123</TableCell>
     <TableCell Datatype="string" Name="Heading 2" Pattern="" 
>00:00:00.0</TableCell>
     <TableCell Datatype="string" Name="Amount" Pattern="" 
>242190.62</TableCell>
     <TableCell Datatype="string" Name=" " Pattern="" 
>242190.62</TableCell>
     <TableCell Datatype="string" Name=" " Pattern="" >424226</TableCell>
     <TableCell Datatype="string" Name=" " Pattern="" >424226</TableCell>
   </Row>
   <Row Name="Instances" RowType="Data">
     <TableCell Datatype="string" Name="THE" Pattern="" >USP</TableCell>
     <TableCell Datatype="string" Name="ARE" Pattern="" >ILEC</TableCell>
     <TableCell Datatype="string" Name="PFY" Pattern="" >2600</TableCell>
     <TableCell Datatype="string" Name="Heading 1" Pattern="" 
>311130</TableCell>
     <TableCell Datatype="string" Name=" " Pattern="" >456</TableCell>
     <TableCell Datatype="string" Name="Heading 2" Pattern="" 
>00:00:00.0</TableCell>
     <TableCell Datatype="string" Name="Amount" Pattern="" 
>848.85</TableCell>
     <TableCell Datatype="string" Name=" " Pattern="" >848.85</TableCell>
     <TableCell Datatype="string" Name=" " Pattern="" 
>561017340.99</TableCell>
     <TableCell Datatype="string" Name=" " Pattern="" 
>568800216</TableCell>
   </Row>

   <Row Name="Instances" RowType="Data">
     <TableCell Datatype="string" Name="THE" Pattern="" >USP</TableCell>
     <TableCell Datatype="string" Name="ARE" Pattern="" >ILEC</TableCell>
     <TableCell Datatype="string" Name="PFY" Pattern="" >4567</TableCell>
     <TableCell Datatype="string" Name="Heading 1" Pattern="" 
>311130</TableCell>
     <TableCell Datatype="string" Name=" " Pattern="" >456</TableCell>
     <TableCell Datatype="string" Name="Heading 2" Pattern="" 
>00:00:00.0</TableCell>
     <TableCell Datatype="string" Name="Amount" Pattern="" 
>848.85</TableCell>
     <TableCell Datatype="string" Name=" " Pattern="" >848.85</TableCell>
     <TableCell Datatype="string" Name=" " Pattern="" 
>561017340.99</TableCell>
     <TableCell Datatype="string" Name=" " Pattern="" 
>568800216</TableCell>
   </Row>
 </TABLE>
</Report>








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