[xsl] Getting a unique list - one more try at emailing this

["Hal Ledner" <newtoxslt@xxxxxxxxxxx>]

Thanks Deidre for letting me know my email was screwy.

I'd like to know how to print a unique list of states from the data set 
below.  Thanks in advance.

A newbie.

<data>
<level name = "starter">
   <process name = "TR">
      <state name = "NY">143</state>
      <state name = "CA">19</state>
      <state name = "FL">215</state>
   </process>
   <process name = "PD">
      <state name = "NY">61</state>
      <state name = "CA">721</state>
      <state name = "FL">518</state>
   </process>
</level>
<level name = "mediumr">
   <process name = "TR">
      <state name = "NY">709</state>
      <state name = "CA"1285</state>
      <state name = "FL">52</state>
   </process>
   <process name = "YF">
      <state name = "NY">8</state>
      <state name = "CA">0</state>
      <state name = "FL">9</state>
   </process>
</level>
</data>

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