Consumer price index (CPI)
| Year | Quarter ending | Quarter ending | Quarter ending | Quarter ending | 
|---|---|---|---|---|
| 1985 | 37.9 | 38.8 | 39.7 | 40.5 | 
| 1986 | 41.4 | 42.1 | 43.2 | 44.4 | 
| 1987 | 45.3 | 46.0 | 46.8 | 47.6 | 
| 1988 | 48.4 | 49.3 | 50.2 | 51.2 | 
| 1989 | 51.7 | 53.0 | 54.2 | 55.2 | 
| 1990 | 56.2 | 57.1 | 57.5 | 59.0 | 
| 1991 | 58.9 | 59.0 | 59.3 | 59.9 | 
| 1992 | 59.9 | 59.7 | 59.8 | 60.1 | 
| 1993 | 60.6 | 60.8 | 61.1 | 61.2 | 
| 1994 | 61.5 | 61.9 | 62.3 | 62.8 | 
| 1995 | 63.8 | 64.7 | 65.5 | 66.0 | 
| 1996 | 66.2 | 66.7 | 66.9 | 67.0 | 
| 1997 | 67.1 | 66.9 | 66.6 | 66.8 | 
| 1998 | 67.0 | 67.4 | 67.5 | 67.8 | 
| 1999 | 67.8 | 68.1 | 68.7 | N/A (see note) | 
Note: If you use the indexation method to calculate your capital gain, the indexation factor is based on increases in the CPI up to September 1999 only.