Berlin    1999   9 2607 2900
Dakar     2006   6  931 1000
Frankfurt 1982  48 1816 1950
London    1979 106 4086 4000
Milano    1982  81 1640 1800
Paris     1985  63 1789 2000
Seattle   1993  14  941 1000
Tokyo     2002  29  652  740