diff --git a/core/views/statistics.py b/core/views/statistics.py
index 8bd7072..30fc1b5 100644
--- a/core/views/statistics.py
+++ b/core/views/statistics.py
@@ -26,9 +26,10 @@ def legs_by_expo(expos):
         survexblocks = expedition.survexblock_set.all()
         legsyear = 0
         survexleglength = 0.0
-        for survexblock in survexblocks:
-            survexleglength += survexblock.legslength
-            legsyear += int(survexblock.legsall)
+        for sb in survexblocks:
+            if not sb.foreigners:
+                survexleglength += sb.legslength
+                legsyear += int(sb.legsall)
         addupsurvexlength += survexleglength
         addupsurvexlegs += legsyear
         legsbyexpo.append((expedition, {"nsurvexlegs": legsyear, "survexleglength": survexleglength}))
diff --git a/templates/statistics.html b/templates/statistics.html
index f44fbc3..2daec6a 100644
--- a/templates/statistics.html
+++ b/templates/statistics.html
@@ -12,9 +12,8 @@ Total length: {{addupsurvexlength|stringformat:".1f"}} km adding up the total fo
 
 <p>These are uncorrected tape lengths which include pitches and duplicates but exclude splays or surface-surveys. 
 <p>
-This is work in progress June 2025): the underground survey length does not match that in e.g.  
-<a href="/wallets/year/2018">wallets for 2018</a> probably because ARGE surveys are not in any of our wallets.
-<p>This includes ARGE and other surveys currently. It will be changed to only include lengths surveyed by valid Expo-attendees.
+
+<p>This only includes lengths surveyed by Expo survey trips (though not all have valid Expo-attendees as some survex files are administrative collections of *include statements). This no longer (since 30 June 2025) includes ARGE and other non-expo surveys. 
 
 <table>
 <tr><th>Year</th><th>Survex<br>Survey<br>Blocks</th><th>Survex<br>Survey Legs</th><th>Survex <br>length(m)</th></tr>
diff --git a/templates/survexfilewild.html b/templates/survexfilewild.html
index a2fcf49..972f56f 100644
--- a/templates/survexfilewild.html
+++ b/templates/survexfilewild.html
@@ -72,4 +72,6 @@ Length of survex data referenced by wallets in this year {{walletslength|floatfo
 Some files from other caving clubs may have a convention of using many more blocks per file than we do, e.g. if the 
 file is exported from other software into survex format.
 
+<p>This only includes lengths surveyed by Expo survey trips (though not all have valid Expo-attendees as some survex files are administrative collections of *include statements). This no longer (since 30 June 2025) includes ARGE and other non-expo surveys. 
+
 {% endblock %}
\ No newline at end of file