Substance:,Alcohol,Marijuana,Nicotine,Opioids
$R_d$,60.0\%,23.2\%,32.0\%,48.0\%
$R_H$,0.18\%,0.0865\%,N/A,25.0\%
$C_H$,6,0.226,N/A,6
$n_{fam}$,2.6,2.6,2.6,2.6
$S$,4,2,2,8.5