| Since the introduction of the National Series in 2002 to determine the National Points Champion, the driver at the end of the season with the most points is the Grading Points Winner. |
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| 2002 | 515 Frankie Wainman | ||
| 2003 | 515 Frankie Wainman | ||
| 2004 | 515 Frankie Wainman | ||
| 2005 | 1 Frankie Wainman | ||
| 2006 | 515 Frankie Wainman | ||
| 2007 | 515 Frankie Wainman | ||
| 2008 | 515 Frankie Wainman | ||
| 2009 | 515 Frankie Wainman | ||
| 2010 | 1 Andy Smith | ||
| 2011 | 84 Tom Harris | ||
| 2012 | 84 Tom Harris | ||
| 2013 | 84 Tom Harris | ||
| 2014 | 16 Mat Newson | ||
| 2015 | 515 Frankie Wainman | ||
| 2016 | 1 Frankie Wainman | ||
| 2017 | 445 Nigel Green | ||
| 2018 | 515 Frankie Wainman | ||
| 2019 | 1 Tom Harris | ||
| 2021 | 1 Tom Harris | ||
| 2022 | 84 Tom Harris | ||