A cotton fabric is given crease resist finish with 60 g/L DMDHEU (molecular weight = 178) aqueous solution by continuous method. The density of the padding liquor is 1.1 g/cm³ and the wet pick up is 110%. Assuming that the entire DMDHEU on the fabric is consumed during cross-linking reaction with cellulose, the nitrogen content (%) of the finished fabric (rounded off to 2 decimal places) is _______.