No graph of nmailq-bf.sh

I'm having a similar problem with getting the correct data showing in
the graph.
I do get the graph displayed but the data is incorrect. It always shows
2005 which looks like it's picking up part of the date field.

I can't find a copy of the nmailq script on deadcat so not sure what
format the data is supposed to be in.
What does hobbit expect to see for graphing on mailq? I just a have a
script that sends the output of mailq i.e.

Total requests: xx

Is this OK?

Regards
Geoff Steer