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m3 per 1,000 customersmillion kWh/yr −3.5% YoYkWh per 1,000 customerskl per yrElectricityElectricityCrude oil equivalent199,4961,000 cash register countBasic unit crude oilequivalent0.2542kl/t-CO2/yrGas (city gas equivalent)Gas (city gas equivalent)million tons/yr−12.0% YoYtons per 1,000 customerst-CO2/restaurantWaterWaterCO2 emissions* unit denominator: thousand cash register count13 and CO2 Emissions in 2020gy usage per type:r 1,000 customers per type:+4.8% YoYsage and CO2 emissions:−3.1% YoY+5.2% YoY−1.5% YoY+6.7% YoY−6.8% YoY−5.9% YoY−8.9% YoY351,568118.9625.92469.332.0million m3/yr24.04.3283.2