The COVID-19 pandemic does not seem to have impacted retail rates or the rise in purity recorded since 2010 in important means, even when a slight increase in price in addition to a stabilisation of purity is often observed in 2020 (see Figure Indexed traits in copyright retail cost and https://franciscodqbkt.wikihearsay.com/3197788/the_ultimate_guide_to_buy_copyright_online_in_uk