What is the prevalence of anabolic steroid consumption in the population attending gyms in Corrientes city, Argentina?

The prevalence of anabolic steroid consumption in the population attending gyms in Corrientes city is 6.5%.
The age range with the highest prevalence of anabolic steroid consumption is 15-19 years old.
The most consumed anabolic steroids are Dianabol, Testosterone, Nandrolone, and Estazolol.
The main reasons for consuming anabolic steroids are physical performance and aesthetics.
a) Only afirmation I is correct.
b) Afirmations I, II, and III are correct.
c) Afirmations I, II, III, and IV are correct.
d) Afirmations II, III, and IV are correct.