overall summary - yield, costs, gross and net incomes, etc

it would be also great if we could have a summary of the following quantities for a given range of years (say, 2013-2018, with the range to be selected by the user): yield by field (listing the crop grown in that field); yield by crop (averaged over all fields growing that particular crop); total crop expenses per acre and per field(with the crop grown in that field also listed); total crop expense per acre and per crop (averaged over all fields growing that particular crop); total gross income and net income per field (the user can enter the actual contract price or a projected crop price for a given crop)