green 
A ‘sufficient’ rating means that the drug offers sufficient added
value to be used for the treatment of the disorder.
orange 
A 'weak' rating means that the drug offers weak added value for
use in the treatment of the disorder, or that its added value can
as yet not be evaluated from the currently available research
findings.
rood 
An ‘insufficient’ rating means that the drug offers insufficient added
value to be used in the treatment of the disorder.
