diff --git a/grafana/dashboard.py b/grafana/dashboard.py
index 5b9ae88..b03a847 100644
--- a/grafana/dashboard.py
+++ b/grafana/dashboard.py
@@ -293,18 +293,19 @@ p["fieldConfig"]["defaults"]["thresholds"] = {"mode": "absolute", "steps": LIMIT
 y += 8
 # By person and whose key paid (#278): who the server's TypeSafe bill is for. An item shared on the
 # server's key is split by each person's share of its questions.
-ts("Input tokens by person", [prom('sum by (user, key) (increase(ipx_jev_tokens_total{job="ipx", kind="input"}[$__rate_interval]))',
+# Counts from before #278 have no person; user!="" leaves them out rather than drawing " ( key)".
+ts("Input tokens by person", [prom('sum by (user, key) (increase(ipx_jev_tokens_total{job="ipx", kind="input", user!=""}[$__rate_interval]))',
                                    legend="{{user}} ({{key}} key)")],
    0, w=8, bars=True, stack=True, desc="server is the server's TypeSafe key, what the server pays for; own is the person's own key.")
-ts("Items judged by person", [prom('sum by (user, key) (increase(ipx_signals_judged_total{job="ipx"}[$__rate_interval]))', legend="{{user}} ({{key}} key)"),
-                              prom('sum by (user) (increase(ipx_signals_hits_total{job="ipx"}[$__rate_interval]))', ref="B", legend="{{user}}: fit a Signal")],
+ts("Items judged by person", [prom('sum by (user, key) (increase(ipx_signals_judged_total{job="ipx", user!=""}[$__rate_interval]))', legend="{{user}} ({{key}} key)"),
+                              prom('sum by (user) (increase(ipx_signals_hits_total{job="ipx", user!=""}[$__rate_interval]))', ref="B", legend="{{user}}: fit a Signal")],
    8, w=8, bars=True)
 def ptab(expr, ref):
     return {"refId": ref, "datasource": PROM, "expr": expr, "instant": True, "format": "table"}
 panel("table", "Who used what", 8, 8, 16,
-      [ptab('sum by (user, key) (increase(ipx_jev_tokens_total{job="ipx", kind="input"}[$__range]))', "A"),
-       ptab('sum by (user, key) (increase(ipx_jev_tokens_total{job="ipx", kind="output"}[$__range]))', "B"),
-       ptab('sum by (user, key) (increase(ipx_signals_judged_total{job="ipx"}[$__range]))', "C")],
+      [ptab('sum by (user, key) (increase(ipx_jev_tokens_total{job="ipx", kind="input", user!=""}[$__range]))', "A"),
+       ptab('sum by (user, key) (increase(ipx_jev_tokens_total{job="ipx", kind="output", user!=""}[$__range]))', "B"),
+       ptab('sum by (user, key) (increase(ipx_signals_judged_total{job="ipx", user!=""}[$__range]))', "C")],
       description="Over the dashboard's time range: each person's input and output tokens and items judged, and whose key paid. "
                   "Icon picks are on the server's key, key checks on the person's own.",
       transformations=[{"id": "merge", "options": {}},