Cleared stats between runs

Author: ritchiecarroll

Source/Tools/OHTransfer/OHTransfer.cs

@@ -324,6 +324,7 @@ private void buttonGo_Click(object sender, EventArgs e)
 
                     int totalDays = (int)(endTime - startTime).TotalDays;
                     SetProgressMaximum(totalDays);
+                    Stats.Clear();
 
                     const string InstanceName = "PPA";