  We derive the full counting statistics of charge transfer through a voltage
biased superconducting junction. We find that for measurement times much longer
than the inverse Josephson frequency, the counting statistics describes a
correlated transfer of quanta of multiple electron charges, each quantum
associated with the transfer of a single quasiparticle. An expression for the
the counting statistics in terms of the quasiparticle scattering amplitudes is
derived.
