How often should you change the fuel injection fuel lines in the engine compartment? 2yrs, 5yrs, 10yrs?

Good question; seems like the amount of usage the car gets and type of driving. I drive about 5K a year in a coastal climate, the engine compartment fuel lines are in good condition after 10 years.On then other hand, I just replaced the oil lines to the remote oil cooler after 10 years, they were shot.