Increases IA14 axis range

Lleida's plot exceeds the IA14 axis again.

Change-Id: Ia3f21a0375f8f08c30aa9a009a364b699f142781
diff --git a/cron/plot.gnu b/cron/plot.gnu
index a159ad6..e7d5ebe 100644
--- a/cron/plot.gnu
+++ b/cron/plot.gnu
@@ -2,7 +2,7 @@
 set ylabel "Mitjana taxa de creixement darrers 7 dies"
 set title font "Helvetica,20"
 
-set xrange[0:575]
+set xrange[0:625]
 set yrange[0:5]
 set samples 400