Effect of the covid-19 pandemic in the total monthly death counts in the year 2020 for all Brazilian states - Oliveira, Ricardo Puziol de; Peres, Marcos Vinicius de Oliveira; Barili, Emerson; Rodrigues, Hugo Murilo; Souza, José Bruno Pereira; Santos, Franchesco Sanches dos; Lima, Vanessa de Oliveira; Leiria, Talisson Fernando; Achcar, Jorge Alberto; Martinez, Edson Zangiacomi (Open Science Research V, 2022)