Increase IA14 axis range to 3500

https://xkcd.com/2557/

Change-Id: I4e572fecce5b9c12304998e3dba2bd78dc434ad0
diff --git a/cron/includes/plotCustomGraph.gnu b/cron/includes/plotCustomGraph.gnu
index 5b3753b..1df897a 100644
--- a/cron/includes/plotCustomGraph.gnu
+++ b/cron/includes/plotCustomGraph.gnu
@@ -3,7 +3,7 @@
 set title font "Helvetica,20"
 
 set yrange[0:5]
-set xrange[0:1800]
+set xrange[0:3500]
 set samples 400
 
 set key off