"Year","Balance"
1980,-19.7
1981,-22.3
1982,-27.5
1983,-52.4
1984,-106.7
1985,-117.7
1986,-138.3
1987,-152.1
1988,-118.5
1989,-109.4
1990,-101.7
1991,-66.7
1992,-84.5
1993,-115.6
1994,-150.6
1995,-158.8
1996,-170.2
1997,-181.5
1998,-231.1