Statistics of level 1 packages for Polish in vcs:
Read http://d-i.debian.org/l10n-stats

Outdated:

Translated:
  packages/po/sublevel5/pl.po 55t [Matthaiks]
  packages/po/sublevel4/pl.po 90t [Matthaiks]
  packages/po/sublevel3/pl.po 727t [Matthaiks]
  packages/po/sublevel2/pl.po 544t [Matthaiks]
  packages/po/sublevel1/pl.po 505t [Matthaiks]

Missing files:


Global statistics: 1921t0f0u (100%)     (total strings: 1921=100%)
(From all pl.po files)