I found this,
http://forums.feedburner.com/viewtopic.php?t=20971
but since then my stats have not improved.
<feed id="454051" uri="noisefromamerika">
<entry date="2009-01-11" circulation="908" hits="3060" reach="33" /
>
<entry date="2009-01-12" circulation="1012" hits="3960"
reach="68" />
<entry date="2009-01-13" circulation="968" hits="3947"
reach="108" />
<entry date="2009-01-14" circulation="988" hits="4215"
reach="186" />
<entry date="2009-01-15" circulation="983" hits="3827"
reach="121" />
<entry date="2009-01-16" circulation="978" hits="4091" reach="81" /
>
<entry date="2009-01-17" circulation="578" hits="3162" reach="61" /
>
<entry date="2009-01-18" circulation="577" hits="3134"
reach="117" />
<entry date="2009-01-19" circulation="667" hits="3875"
reach="103" />
<entry date="2009-01-20" circulation="694" hits="3934"
reach="113" />
<entry date="2009-01-21" circulation="673" hits="3730"
reach="173" />
<entry date="2009-01-22" circulation="695" hits="3907" reach="75" /
>
</feed>