| Accounting year |
FSS |
SO |
| 2022* |
2020 |
2017 |
| 2021* |
2020 |
2017 |
| 2020* |
2020 |
2017 |
| 2019* |
2020 |
2017 |
| 2018* |
2020 |
2017 |
| 2017 |
2016 |
2013 |
| 2016 |
2016 |
2013 |
| 2015 |
2016 |
2013 |
| 2014 |
2013 |
2010 |
| 2013 |
2013 |
2010 |
| 2012 |
2013 |
2010 |
| 2011 |
2010 |
2007 |
| 2010 |
2010 |
2007 |
| 2009 |
2010 |
2007 |
| 2008 |
2007 |
2004 |
| 2007 |
2007 |
2004 |
| 2006 |
2005 |
2004 |
| 2005 |
2005 |
2004 |
| 2004 |
2005 |
2004 |
* with the exception of UK data for which FSS 2016 and SO 2013 are used. Note that from 2021 the UK data is not available.