DC‘s 2019 film Joker has been crowned the UK’s biggest home movie of 2020.The sector grew 26 per cent last year, owing largely to the ongoing coronavirus lockdown, which saw cinemas shuttered across the country.Yesterday (January 5), it was revealed that the UK box office fell by 76 per cent across 2020, with Christopher Nolan’s Tenet the only film released after the initial March lockdown to make the top 10.xNew figures from the British Association for Screen Entertainment (BASE) revealed that