Ok i have a carfax of this car that i want to buy... its a 1998 4runner ltd 4x4 with 130k miles on it

it was used a corporate lease vehicle, and a fleet vehicle.


ok at 46k it was given to a new owner. then at
86,314 it was reported to a service facility,then at
89,764 then at
93,660 then at
98,002 then at
101,524 then at
105,491 then at
109,493

all of those were reported as a vehicle serviced at a service facility,
Now does this mean that they were oil changes? and if thats it then why isnt there one every three thousand miles? or does it mean that there might be a problem with the vehicle?
Carfax reports everything else as ok and good, no rollback, no accidents or anything.

any help would be much appreciated,
Thanks,
chuck