How foreign direct investment has affected economic growth in Brunei over the last 20years

This is the methodology and data analysis part of my dissertation as I am currently stuck with it. My research area is 1)how FDI has affected economic growth over the last 20 years 2)what impact does it have on imports and exports 3)what impact does it have on govt expenditure and govt spending 4)does it help in creating jobs 5)impact on GDP growth