Fig 14. Probability distribution function for V according to minimum age.
Green circles: 0-9 years range. Red diamonds: 10-19 years range. Orange squares: 30-39 years range. Blue triangles: 50-59 years range. Black stars: over 70 years range.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.