In subsequent years, the figures were as follows: 653, 554, 411, 527 and 1,952 new cases in 1997, 1998, 1999, 2000 and 2001 respectively.
Ensuite, on a enregistré le nombre de cas suivants : 1997 - 653; 1998 - 554; 1999 - 411; 2000 - 527; 2001 - 1952.