Who has participated
Schools
2023
- January/February 2023
2022
- November 2022
- October 2022
- September 2022
- June 2022
- April 2022
- March 2022
- January 2022
2021
- September 2021
- June 2021
- June 2021
- May 2021
2020
- February 2020
- February 2020
- January 2020
2019
- December 2019
- October/November 2019
- September 2019
- August 2019
- June 2019
- May 2019
- March 2019
- February 2019
2018
- September 2018
- June 2018
- June 2018
- May/June 2018
- April 2018
- February/March 2018
- February 2018
- January 2018
2017
- December 2017
- November 2017
- October 2017
- September 2017
- July 2017
- February 2017
2016
- November 2016
- September 2016
- September 2016
- July 2016
- February 2016
- February 2016
2015
- November 2015
- October 2015
- September 2015
- September 2015
- June 2015
- May 2015
- February 2015
- January 2015
2014
- September 2014
- July 2014
- May 2014
- April 2014
- February 2014
2013
- October-November 2013
- October 2013
- February 2013