| Date | Price | Special issue price |
| 14 September 1999 – 22 February 2012 | 42p | £1 |
| 29 February 2012 – 2 March 2013 | 45p | £1 |
| 9 March 2013 | 38p | N/A |
| 16 March 2013 – 6 July 2013 | 20p | N/A |
| 13 July 2013 – 16 December 2013 | 38p | N/A |
| 23 December 2013 – 23 April 2015 | 45p | £1 |
| 30 April 2015 – 1 January 2016 | 50p | £1 |
| 8 January 2016 – 1 January 2017 | 52p | £1 |
| 8 January 2017 – 1 January 2018 | 55p | £1.10 |
| 8 January 2018 – 15 March 2019 | 57p | £1.10 |
| 22 March 2019 – 30 November 2019 | 62p | N/A |
| 5 December 2019 – 2 December 2020 | 65p | £1.30 |
| 3 December 2020 – 1 December 2021 | 69p | £1.40 |
| 2 December 2021 – 2 January 2023 | 72p | £1.50 |
| 3 January 2023 – 1 December 2023 | 75p | £1.50 |
| 2 December 2023 – 29 November 2024 | 79p | £1.60 |
| 30 November 2024 – 25 November 2025 | 82p | £1.70 |
| 29 November 2025 – present | 85p | £1.80 |
| Issue # | Date range | Released |
| 1 | 18 – 31 December 1999 | 7 December 1999 |
| 2 | 23 December 2000 – 5 January 2001 | 12 December 2000 |
| 3 | 22 December 2001 – 4 January 2002 | 11 December 2001 |
| 4 | 21 December 2002 – 3 January 2003 | 10 December 2002 |
| 5 | 20 December 2003 – 2 January 2004 | 9 December 2003 |
| 6 | 18 – 31 December 2004 | 7 December 2004 |
| 7 | 17 – 30 December 2005 | 6 December 2005 |
| 8 | 23 December 2006 – 5 January 2007 | 12 December 2006 |
| 9 | 22 December 2007 – 4 January 2008 | 11 December 2007 |
| 10 | 20 December 2008 – 2 January 2009 | 9 December 2008 |
| 11 | 19 December 2009 – 1 January 2010 | 8 December 2009 |
| 12 | 18 – 31 December 2010 | 7 December 2010 |
| 13 | 17 – 30 December 2011 | 6 December 2011 |
| 14 | 22 December 2012 – 4 January 2013 | 11 December 2012 |
| 15 | 21 December 2013 – 3 January 2014 | 10 December 2013 |
| 16 | 20 December 2014 – 2 January 2015 | 9 December 2014 |
| 17 | 19 December 2015 – 1 January 2016 | 8 December 2015 |
| 18 | 17 – 30 December 2016 | 6 December 2016 |
| 19 | 23 December 2017 – 5 January 2018 | 12 December 2017 |
| 20 | 22 December 2018 – 4 January 2019 | 11 December 2018 |
| 21 | 21 December 2019 – 3 January 2020 | 10 December 2019 |
| 22 | 19 December 2020 – 1 January 2021 | 8 December 2020 |
| 23 | 18 – 31 December 2021 | 7 December 2021 |
| 24 | 24 December 2022 – 6 January 2023 | 13 December 2022 |
| 25 | 23 December 2023 – 5 January 2024 | 12 December 2023 |
| 26 | 21 December 2024 – 3 January 2025 | 10 December 2024 |
| 27 | 20 December 2025 – 2 January 2026 | 9 December 2025 |