Challenge History

Sites    History

This page shows Challenge History results that have been certified by the Quintessence Foundation.

Year Registered Sites
2023 2
2022 5
2021 9
2020 12
2019 115
2018 103
2017 90
2016 116
2015 11
2014 117
2013 84
2012 106
2011 1
2010 1
2006 1
2001 1