Sounds like you found a great company to take care of your windshield.
I used to own a Ford E-150 (similar windshield to yours) which had a huge appetite for windshields. I went through one a year. All failed due to a small chip near the edge that spread across the rest.
Seems like the aerodynamics of that van caused just about any rock tossed into the air to be literally sucked down and towards the edges. The "glass guys" told me that the Ford Econoline windshields kept them in business.
Even tried a 'deflector' mounted on the front of the hood.
Now that I have a pickup with a longer hood I have only had one windshield suffer from rock damage and that's over the same roads as my old van, 125,000 miles, and 18 years.
"Knowledge is realizing that the street is one-way, wisdom is looking both directions anyway."
~ Albert Einstein