Anni,Quintali,Quintali/cittadino residente
1990,150330,"4,8"
1991,161960,"5,2"
1992,160350,5
1993,152050,"4,6"
1994,160080,"4,8"
1995,157840,"4,7"
1996,159700,"4,7"
1997,161150,"4,7"
1998,160496,"4,7"
1999,171635,"4,9"
2000,184683,"5,2"
2001,181059,"5,1"
2002,178648,"4,9"