3. What about key facts? 2003 2004 2005 2006 2007 2008 2009 Area of exhibition (m2) 800 1400 3490 5940 9830 12000 7000 Number of exhibitors 37 80 91 144 175 228 140 Number of visitors 2000 2480 2990 3255 3930 5210 4800 Number of countries 3 5 6 16 20 26 25