A person who violates a provision of this chapter is subject to mandatory minimum sentencing requirements to be served without the benefit of parole as follows:

1. For a class AA felony, the court shall impose a minimum sentence of twenty years' imprisonment.

2. For a class A felony, the court shall impose a minimum sentence of ten years' imprisonment.

3. For a class B felony, the court shall impose a minimum sentence of five years' imprisonment.