"Fumador" "Opinion" "Frecuencia"
"Si" "Muy en contra" 60
"Si" "En contra" 50
"Si" "A favor" 20
"Si" "Muy a favor" 10
"No" "Muy en contra" 10
"No" "En contra" 30
"No" "A favor" 70
"No" "Muy a favor" 110