Water bill for those with sprinklers?

My water usage averages around 12 – 16k of usage and bills $170 – 260 when I have my sprinklers scheduled four times a week running 7 zones for a total of around 70 minutes when they run. During the winter months when I don’t run the sprinklers my usage is around 8 or 9k

I’m curious to hear what y’all’s water usage is on average for those with multi zonal sprinklers.

I initially thought it might have been a leak but checking my meter when everything is off showed no movement. Im thinking that this is either completely normal or my sprinkler system has a leak somewhere where water is just flowing out that I don’t notice.

Other facts: family of two.

Thanks all.