tools: display satisfied and unsatisfied interests counters

refs: #4720

Change-Id: I69c2400a558997ff48f2b66883cc680dc497360a
diff --git a/docs/_static/nfd-status.xsd b/docs/_static/nfd-status.xsd
index 89d07bb..0052162 100644
--- a/docs/_static/nfd-status.xsd
+++ b/docs/_static/nfd-status.xsd
@@ -43,6 +43,8 @@
     <xs:element type="xs:nonNegativeInteger" name="nMeasurementsEntries"/>
     <xs:element type="xs:nonNegativeInteger" name="nCsEntries"/>
     <xs:element type="nfd:bidirectionalPacketCountersType" name="packetCounters"/>
+    <xs:element type="xs:nonNegativeInteger" name="nSatisfiedInterests"/>
+    <xs:element type="xs:nonNegativeInteger" name="nUnsatisfiedInterests"/>
   </xs:sequence>
 </xs:complexType>