The COVID-19 pandemic would not seem to have impacted retail rates or the increase in purity recorded considering that 2010 in significant ways, even though a slight increase in selling price in addition to a stabilisation of purity can be observed in 2020 (see Figure Indexed tendencies in copyright retail https://mac-10-strain70986.sharebyblog.com/32856959/everything-about-buy-copyright-online-in-uk