Debt interest spending as a percentage of GDP
Debt interest spending as a percentage of revenue
Effective interest rate
12%
Projection
10
8
6
4
2
0
1960
1970
1980
1990
2000
2010
2020
Debt interest spending as a percentage of revenue
Debt interest spending as a percentage of GDP
Effective interest rate
12%
Projection
10
8
6
4
2
0
1960
1970
1980
1990
2000
2010
2020