translate English to French: (b) At the postgraduate level, from 14,500 in 1994, to 16,900 in 1996, 18,100 in 1997 and almost 20,000 at the beginning of the 1998-1999 academic year.
b) en post-graduation de 14 500 en 1994 à 16 900 en 1996 et de 18 100 en 1997 à presque 20 000 lors de la rentrée universitaire 1998/99.