They give the value of prescription charges collected for drugs and devices to treat asthma in sections 3.1, 3.2 and 3.3 of the British National Formulary in the last five years for which figures are available.YearPrescriptionCharges Collected(£)1996-971,914,3031997-982,113,3711998-992,341,0771999-20002,739,8132000-012,828,598These data refer to prescriptions dispensed in the community and do not take into account...