Statistics of level 3 packages for Sinhala in vcs:
Read http://d-i.debian.org/l10n-stats

Outdated:

Translated:
  debconf/debian/po/si.po 17t [
"]

Missing files:
  newt/po/si.po 4u
  win32-loader/l10n/po/si.po 60u


Global statistics: 17t0f0u (20%)     (total strings: 81=100%)
(From all si.po files)