How often does the data for Carfax Dynamic Window Labels update?

Carfax data for the Dynamic Window Labels updates at the following times: 6am, 11am, 2pm, 5pm, 8pm, Midnight, 3am Field reps get the updates in Autostik by going to Label, selecting 'Retrieve Carfax Data', selecting the dealership, selecting the appropriate option on the "Retrieve Data For Vehicles" then clicking OK. They do need an internet connection to do this.