According to wikipedia: "Activities in the service sector include retail, banks, hotels, real estate, education, health, social work, computer services, recreat

According to wikipedia: "Activities in the service sector include retail, banks, hotels, real estate, education, health, social work, computer services, recreation, media, communications, electricity, gas and water supply." Retail, banking (loans), education, healthcare, energy, all very large portions of the average persons expenses.