Sofia, Bulgaria , 2024
Kustendil, Bulgaria , 2023
Hennickendorf, Germany , 2021
Sofia, Bulgaria , 2020
Bourgas, Bulgaria , 2020
Sofia, Bulgaria , 2018
Sofia, Bulgaria , 2017
Sofia, Bulgaria , 2016
Varna, Bulgaria , 2016
Sofia, Bulgaria , 2015
Skopje, Republic of North Macedonia , 2015
Tsarevo, Bulgaria , 2011
Sofia, Bulgaria , 2010
2010
2009
2007
Sofia, Bulgaria , 2006
2005