I did about 1000 miles in the first month(October!)
It has eased now to about 5k per year - but she is out at least once per week rain, hail, snow sunshine whatever (& that was only yesterday!).
Now 3 yrs on - enjoy - but don`t forget to grease the kingpins at least every 1k - I do mine about every 600.
Thanks, I bought a new grease gun on Monday gave her 3 squirts per nipple

I sure she appreciated it