Schedule Percentage increase of earnings factor for specified tax years
Original text. Later amendments are not shown.
| Tax year | Percentage increase |
|---|
| 1978 – 1979 | 686.9 |
| 1979 – 1980 | 594.5 |
| 1980 – 1981 | 480.2 |
| 1981 – 1982 | 385.9 |
| 1982 – 1983 | 341.4 |
| 1983 – 1984 | 309.8 |
| 1984 – 1985 | 279.5 |
| 1985 – 1986 | 256.0 |
| 1986 – 1987 | 226.9 |
| 1987 – 1988 | 204.3 |
| 1988 – 1989 | 180.0 |
| 1989 – 1990 | 152.7 |
| 1990 – 1991 | 135.5 |
| 1991 – 1992 | 113.9 |
| 1992 – 1993 | 100.8 |
| 1993 – 1994 | 91.3 |
| 1994 – 1995 | 85.5 |
| 1995 – 1996 | 77.7 |
| 1996 – 1997 | 72.9 |
| 1997 – 1998 | 64.6 |
| 1998 – 1999 | 57.4 |
| 1999 – 2000 | 51.1 |
| 2000 – 2001 | 42.1 |
| 2001 – 2002 | 36.6 |
| 2002 – 2003 | 31.0 |
| 2003 – 2004 | 26.5 |
| 2004 – 2005 | 21.8 |
| 2005 – 2006 | 17.0 |
| 2006 – 2007 | 13.2 |
| 2007 – 2008 | 8.7 |
| 2008 – 2009 | 4.3 |
| 2009 – 2010 | 1.2 |