Minna_Bluff pressure
1991       -   883.4   875.4   879.6       -       -       -       -       -       -       -       -
1992       -   891.6   883.1   878.6   883.9   886.8   877.1   877.8   868.5   874.8   875.8   881.3
1993   893.1   877.1   881.0   875.9   876.0   871.2   867.1   870.6       -       -       -       -
1994       -   869.2   862.6   870.5   866.0   879.6   871.9   857.0   870.8   863.5   871.0   878.9
1995   878.8   878.5   883.6   875.0   872.4   880.0   891.4   878.5   870.0   874.1   874.5   876.8
1996   883.9   886.9   879.2   873.0   877.4   874.7   874.2   880.9   881.1   866.2   883.6   884.0
1997   886.0   885.0   873.4   876.8   866.7   879.9       -       -       -       -       -       -
1998       -   877.7   875.8   867.3   874.3   871.9   871.8   871.2   878.5   873.9   870.5   879.8
1999   879.9   881.9   878.7   875.3   872.6   891.5   873.6   876.9   876.1   861.2   867.4   870.0
2000   873.4   877.6   878.4   877.5   877.5   878.4   875.8   878.1   883.6       -       -       -
2001       -       -       -       -       -       -       -   875.9   872.7   867.2   871.3       -
2002       -   873.3   884.5   875.0   885.8   886.8   881.2   872.2   880.2   883.1   877.8   873.8
2003       -       -       -       -       -       -       -       -       -       -       -       -
2004       -       -       -       -       -       -       -       -       -       -       -       -
2005       -       -       -       -       -       -       -       -       -       -       -       -
2006       -       -       -       -       -       -       -       -       -       -       -       -
2007       -       -       -       -       -       -       -       -       -       -       -       -
2008       -       -       -       -       -       -       -       -       -       -       -       -
2009       -       -       -       -       -       -       -       -       -       -       -       -