Wasn't the country specifically mentioned?
from 1979 to 2004.
This is good. It can be improved further by adding a number of years or decades + years reference to create a comprehensive analysis.
Expenditure refers to money spent. That is not the same as consumed wwhich refers to food or goods used without renewal. This is an LR problem.
Please make up your mind. Was the food bought or eaten? Edit your summary accordingly.
Your essay lacks clarity and coherence. You cannot decide if this about money spent or food eaten. This confusion will bring you railing GRA and C + C scores. Your essay will not get a passing mark.
* Limited iview due to lack of image.