A pie chart displays the frequency of radio stations in Russia, with the largest slice representing "Esponin-Flinoc" at 2.5 MHz, followed by "Esponin-Flinoc" at 1.5 MHz, and "Esponin-Flinoc" at 2.0 MHz. The smallest slice is for "Esponin-Flinoc" at 1.0 MHz.