Figure 1 from: Ivanova V, Pavlov D, Assenova T, Terzieva E, Milushewa P, Djemadan A, Vladimirova G, Dimitrova M, Kamusheva M (2021) COVID-19 pandemic impact on the pharmaceutical sector in Bulgaria. Pharmacia 68(3): 713-720. https://doi.org/10.3897/pharmacia.68.e71638 - Ivanova, Veselina (2021)