 1-jan-1974_00:00  5-nov-1993_12:00 1.226992
 5-nov-1993_12:00  17-oct-2000_12:00 1.195641
17-oct-2000_12:00   9-apr-2003_12:00 1.226
 9-apr-2003_12:00   1-jan-2010_00:00 0.92
