Schedule Percentage increase of earnings factors for specified tax years
Original text. Later amendments are not shown.
| Tax year | Percentage increase |
|---|
| 1978-1979 | 1115.4 |
| 1979-1980 | 972.7 |
| 1980-1981 | 796.2 |
| 1981-1982 | 650.6 |
| 1982-1983 | 581.7 |
| 1983-1984 | 533.0 |
| 1984-1985 | 486.1 |
| 1985-1986 | 449.8 |
| 1986-1987 | 404.9 |
| 1987-1988 | 370.1 |
| 1988-1989 | 332.5 |
| 1989-1990 | 290.3 |
| 1990-1991 | 263.8 |
| 1991-1992 | 230.4 |
| 1992-1993 | 210.2 |
| 1993-1994 | 195.4 |
| 1994-1995 | 186.6 |
| 1995-1996 | 174.5 |
| 1996-1997 | 167.0 |
| 1997-1998 | 154.3 |
| 1998-1999 | 143.1 |
| 1999-2000 | 133.3 |
| 2000-2001 | 119.5 |
| 2001-2002 | 111.0 |
| 2002-2003 | 102.3 |
| 2003-2004 | 95.3 |
| 2004-2005 | 88.2 |
| 2005-2006 | 80.7 |
| 2006-2007 | 74.8 |
| 2007-2008 | 67.9 |
| 2008-2009 | 61.2 |
| 2009-2010 | 56.3 |
| 2010-2011 | 54.5 |
| 2011-2012 | 51.0 |
| 2012-2013 | 48.3 |
| 2013-2014 | 45.7 |
| 2014-2015 | 44.4 |
| 2015-2016 | 42.3 |
| 2016-2017 | 39.5 |
| 2017-2018 | 35.9 |
| 2018-2019 | 32.0 |
| 2019-2020 | 28.4 |
| 2020-2021 | 23.4 |
| 2021-2022 | 20.3 |
| 2022-2023 | 15.1 |
| 2023-2024 | 7.6 |