id	keyword
fsr-3633	happiness
fsr-3633	united
fsr-3633	age
fsr-3633	economic
fsr-3633	level
fsr-3633	financial
fsr-3633	journal
fsr-3633	countries
fsr-3633	income
fsr-3633	country
fsr-3633	states
fsr-3633	study