HEY! There's a new report on the ORK Proper that can do this much faster!! Every Kingdom page has a Park Attendance Explorer Report. Set dates like you would here, the park you want, set minimum attendance to 1, decide if you want just local players, and run. Or jump straight to the Park Attendance Explorer (it opens for whichever Kingdom you're browsing on the ORK). It's way faster and not any where near as hard on the ORK.

Note: This jsork report is being decommissioned.