According to Statkom of Kazakhstan, the wholesale price of crushed-stone and gravel in May 2018 increased by 0.07% and amounted to 1475 Tenge/kg (in 2017 - 1195 Tenge/kg, in 2016 - 1267 Tenge/kg), or RUB 277.79/kg (at the rate of the Central Bank of the Russian Federation by the middle of the reporting month).