 1-jan-1974_00:00 19-dec-1986_23:00 1.339226
17-sep-1987_00:00 30-may-2000_12:00 1.339226
30-may-2000_12:00 19-mar-2003_12:00 1.245239
19-mar-2003_12:00 31-may-2005_15:00 0.93
31-may-2005_15:00  1-jan-2010_00:00 0.91
