| Données annuelles | | Période | Surface (m²) | | 1980 | 2954110 | | 1981 | 2736207 | | 1982 | 2363071 | | 1983 | 2209520 | | 1984 | 1969721 | | 1985 | 2730693 | | 1986 | 3425377 | | 1987 | 4133614 | | 1988 | 4867791 | | 1989 | 5930083 | | 1990 | 6023348 | | 1991 | 5166336 | | 1992 | 4069272 | | 1993 | 3209692 | | 1994 | 2848469 | | 1995 | 2603008 | | 1996 | 2367149 | | 1997 | 2255163 | | 1998 | 2632723 | | 1999 | 2958728 | | 2000 | 3765119 | | 2001 | 4413061 | | 2002 | 3532231 | | 2003 | 3255298 | | 2004 | 3558757 | | 2005 | 3602463 | | 2006 | 5487100 | | 2007 | 5886100 | | 2008 | 6219900 |
| | Données trimestrielles | | Période | Surface (m²) | | 2005-01 | 1072400 | | 2005-02 | 1085700 | | 2005-03 | 1268800 | | 2005-04 | 1317400 | | 2006-01 | 1365300 | | 2006-02 | 1191600 | | 2006-03 | 1363700 | | 2006-04 | 1566500 | | 2007-01 | 1493400 | | 2007-02 | 1386400 | | 2007-03 | 1607500 | | 2007-04 | 1398800 | | 2008-01 | 1427600 | | 2008-02 | 1597600 | | 2008-03 | 1618200 | | 2008-04 | 1576500 | | 2009-01 | 1037000 |
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