The following chart compares appointments and advancements by age range. 35.7% of intakes, 17.7% of advancements, and 9.4% of demotions were by persons under 30 years of age. 31.2% of intakes, 37% of advancements, and 31.5% of demotions were by persons between 30 to 39 years of age. 18.1% of intakes, 26.9% of advancements, and 31.9% of demotions were by person between 40 to 49 years of age. 11.8% of intakes, 14.8% of advancements, and 22.9% of demotions were by persons between 50 to 59 years of age. 3.3% of intakes, 3.6% of promotions, and 4.2% of demotions were by persons over 59 years of age.