Which of the following is one of the objectives of “Oral Global Health by 2000 AD”?

Objective of WHO Oral Global Health by 2000: 50% of the 5-6 years old should be caries free. Global average should be no more than 3 DMF at age 12.   85% of population should retain all their teeth by age 18. A 50% reduction in edentulousness in present levels at age 35-40 years should be achieved.   A 25% reduction in present level of edentulous at age 65 or more. A data-based system for monitoring changes in oral health should be established. World Health Organisation https://www.who.int/oral_health/publications/goals2020/en/