| Year | Amount |
| 2024 |
$16,000 |
| 2023 |
$15,500 |
| 2022 |
$14,000 |
| 2021 |
$13,500 |
| 2020 |
$13,500 |
| 2019 |
$13,000 |
| 2018 |
$12,500 |
| 2017 |
$12,500 |
| 2016 |
$12,500 |
| 2015 |
$12,500 |
| 2014 |
$12,000 |
| 2013 |
$12,000 |
| 2012 |
$11,500 |
| 2011 |
$11,500 |
| 2010 |
$11,500 |
| 2009 |
$11,500 |
| 2008 |
$10,500 |
| 2007 |
$10,500 |
| 2006 |
$10,000 |
| 2005 |
$10,000 |
| 2004 |
$9,000 |
| 2003 |
$8,000 |
| 2002 |
$7,000 |
| 2001 |
$6,500 | |
|
The following chart reflects the adjustments for years 2001 to 2024. |
|