I have dug into the ARRL databases and pulled Field Day information for most of this millennium. The older stuff will be harder to access, but it can be pulled out of QST archives.
2002: AA5NZ; GOTA-AA5QV
Class 2A; QSOs-435; Score-1570; Participants-11
Mills County Hams
2003: N5ZMO; GOTA-AA5QV
Class 2A; QSOs-244; Score-1088; Participants-18
Mills County Hams
2004: No submission
2005: K5TRO; GOTA-WA5NQR
Class 2A; QSOs-386; Score-2068; Participants-23
Mills County ARC
2006: K5TRO; GOTA-WA5NQR
Class 2A; QSOs-428; Score-1962; Participants-10
Mills County ARC
2007: K5TRO; GOTA-N5QBU
Class 2A; QSOs-405; Score-2022; Participants-15
Mills County ARC
2008: K5TRO; GOTA-N5QBU
Class 2A; QSOs-519; Score-2734; Participants-10
Mills County ARC
2009: No Submission