The following shall be considered mitigating circumstances:

(a)  The offender has no significant prior history of criminal activity;

(b)  The offense was committed while the offender was under the influence of extreme mental or emotional disturbance;

(c)  The offense was committed while the offender was under the influence or under the domination of another person;

(d)  The offense was committed under circumstances which the offender reasonably believed to provide a moral justification or extenuation for his conduct;

(e)  At the time of the offense the capacity of the offender to appreciate the criminality of his conduct or to conform his conduct to the requirements of law was impaired as a result of mental disease or defect or intoxication;

(f)  The youth of the offender at the time of the offense;

(g)  The offender was a principal whose participation was relatively minor;

(h)  Any other relevant mitigating circumstance.

Added by Acts 1976, No. 694, §1.