1993 1.169856 [based on 1989 as 1.000000 base year]
1992 1.124864 [and based on 4.0000% inflation rate]
1991 1.081600
1990 1.040000
Prices will double from 1989 to 2007 at 4.0000%
Prices will double from 1989 to 2012 at 3.0000%
Average price rise for 20 year period 1970-1989 is about 6% [5.94%]
Average price rise for 30 year period 1960-1989 is about 5% [4.89%]
Average price rise for 40 year period 1950-1989 is about 4% [4.32%]
1991 3.1 4.2*
1990 6.1 5.4