A marathon runner trained in a hot, dry climate and lost a large volume of water each day in sweat. The runner's daily energy intake from food was 22,000 kJ22,000\text{ kJ}22,000 kJ. Evaporating 1 cm31\text{ cm}^31 cm3 of sweat requires 2.2 kJ2.2\text{ kJ}2.2 kJ of energy. Of the runner's daily energy intake, 45%45\%45% was used to evaporate sweat. Calculate the volume of sweat the runner lost each day. Give your answer in dm3\text{dm}^3dm3. (Note: 1 dm3=1,000 cm31\text{ dm}^3 = 1,000\text{ cm}^31 dm3=1,000 cm3)