Month Millions of Dollars 1992-01-01 12.9 1992-02-01 13.9 1992-03-01 15.2 1992-04-01 17.9 1992-05-01 15.4 1992-06-01 50.7 1992-07-01 116.5 1992-08-01 45.3 1992-09-01 29.8 1992-10-01 22.3 1992-11-01 25.3 1992-12-01 47.2 1993-01-01 0.0 1993-02-01 0.0 1993-03-01 0.0 1993-04-01 0.0 1993-05-01 0.0 1993-06-01 0.0 1993-07-01 0.0 1993-08-01 0.0 1993-09-01 0.0 1993-10-01 0.0 1993-11-01 0.0 1993-12-01 0.0 1994-01-01 0.0 1994-02-01 0.0 1994-03-01 0.0 1994-04-01 0.0 1994-05-01 0.0 1994-06-01 0.0 1994-07-01 0.0 1994-08-01 0.0 1994-09-01 0.0 1994-10-01 0.0 1994-11-01 0.0 1994-12-01 0.0 1995-01-01 0.0 1995-02-01 0.0 1995-03-01 0.0 1995-04-01 0.0 1995-05-01 0.0 1995-06-01 0.0 1995-07-01 0.0 1995-08-01 0.0 1995-09-01 0.0 1995-10-01 0.0 1995-11-01 0.0 1995-12-01 0.0 1996-01-01 0.0 1996-02-01 0.0 1996-03-01 0.0 1996-04-01 0.0 1996-05-01 0.0 1996-06-01 0.0 1996-07-01 0.0 1996-08-01 0.0 1996-09-01 0.0 1996-10-01 0.0 1996-11-01 0.0 1996-12-01 0.0 2003-01-01 0.0 2003-02-01 0.0 2003-03-01 0.0 2003-04-01 0.0 2003-05-01 0.0 2003-06-01 0.0 2003-07-01 0.0 2003-08-01 0.0 2003-09-01 0.0 2003-10-01 0.0 2003-11-01 0.0 2003-12-01 0.0