diff --git a/README.md b/README.md
index b267dca..f54d380 100644
--- a/README.md
+++ b/README.md
@@ -102,6 +102,25 @@ query |
 
 ```
 
+# BENCHMARKS
+
+`pgbench -c 10 -j 3 -t 5000 -S` plain PostgreSQL `16.1`:
+
+```
+tps = 193655.084802 (without initial connection time)
+tps = 200890.346014 (without initial connection time)
+tps = 199931.223659 (without initial connection time)
+```
+
+`pgbench -c 10 -j 3 -t 5000 -S` PostgreSQL `16.1` with `pg_show_plans` version
+2.1.0:
+
+```
+tps = 166564.507102 (without initial connection time)
+tps = 172814.245424 (without initial connection time)
+tps = 174658.455390 (without initial connection time)
+```
+
 # REFERENCE
 
 ## GUC Variables
diff --git a/pg_show_plans.c b/pg_show_plans.c
index 066c0da..3912929 100644
--- a/pg_show_plans.c
+++ b/pg_show_plans.c
@@ -464,6 +464,7 @@ pgsp_ExecutorStart(QueryDesc *queryDesc, int eflags)
 
 	es = NewExplainState();
 	es->format = pgsp->plan_format;
+	es->costs = false;
 	ExplainBeginOutput(es);
 	ExplainPrintPlan(es, queryDesc);
 	ExplainEndOutput(es);