diff --git a/plot_transmission_timeline.py b/plot_transmission_timeline.py
index a88f098..9379cd1 100755
--- a/plot_transmission_timeline.py
+++ b/plot_transmission_timeline.py
@@ -148,8 +148,8 @@ if __name__ == "__main__":
     print(transmission_df)
 
     # key for columns and level for index
-    print(transmission_df["payload_size"].groupby(pd.Grouper(level="datetime", freq="{}s".format(args.interval))).sum().dropna())
-    #print(transmission_df["goodput"])
+    goodput_df = transmission_df["payload_size"].groupby(pd.Grouper(level="datetime", freq="{}s".format(args.interval))).sum().dropna()
+    print(goodput_df)
     exit()