Statistics of level 2 packages for Polish in unstable:
Read http://d-i.debian.org/l10n-stats

Outdated:

Translated:
  espeakup/*/debian/po/pl.po 1t [Michał Kułach]
  util-linux/*/debian/po/pl.po 1t [Dominik Zablotny]
  popularity-contest/*/debian/po/pl.po 4t [Bartosz Fenski]
  iso-codes/*/iso_3166-1/pl.po 420t [Jakub Bogusz]

Missing files:
  tasksel/tasksel-*/debian/po/pl.po 0u
  tasksel/tasksel-*/tasks/po/pl.po 0u
  tasksel/tasksel-*/po/pl.po 0u
  grub/*/debian/po/pl.po 0u


Global statistics: 426t0f0u (100%)     (total strings: 426=100%)
(From all pl.po files)