Nico pressure
1993       -   670.4   670.7   667.6   663.9   663.6   660.1       -   662.1   662.5   673.1   671.9
1994   679.0   670.3   664.8   671.7   663.9   680.7   665.9   660.6   666.2   667.4   675.1   671.2
1995   671.7   672.2   671.7   665.5   661.5   670.2   676.2   665.8       -   669.5   673.9   673.9
1996   678.6   678.8   668.6   670.6   666.6   666.8   665.3   676.8   671.1   662.2   677.7   680.8
1997   678.8   672.6   664.2   668.8   663.1   668.8   658.0   663.1   665.5   666.5   683.0   678.1
1998   676.9   674.1   668.4   658.0   665.0   669.4   664.0   662.4   664.7   666.0   668.4   673.5
1999   681.4   675.3   670.6   661.5   664.7   678.3   665.1   664.9   669.1   661.8   669.8   669.2
2000   671.8   670.2   670.5   669.5   666.2   671.0   666.6   666.2   668.3   662.0   677.9   682.0
2001   677.8   677.9   668.3   665.7   670.4   669.5   669.3   659.5   667.4   662.9   671.8   674.1
2002   677.5   671.2   674.8   669.0       -       -       -       -       -       -       -       -
2003       -       -       -       -       -       -       -       -       -       -       -       -
2004       -       -       -       -       -       -       -       -       -       -       -       -
2005       -       -       -       -       -       -       -       -       -       -       -       -
2006       -       -       -       -       -       -       -       -       -       -       -       -
2007       -       -       -       -       -       -       -       -       -       -       -       -
2008       -       -       -       -       -       -       -       -       -       -       -       -
2009       -       -       -       -       -       -       -       -       -       -       -       -