sentences:  Before World War II there was a large population of Jews comprising half of the city's population, but now there remain just monuments of their past presence.According to 2007 Catholic Church statistics provided by the Instytut Statystyki Kościoła Katolickiego SAC, Tarnów is the most religious city in Poland, with 72.5% of the congregation of the Diocese of Tarnów attending Mass weekly.However, as noted by the Institute director, Father Witold Zdaniewicz, the church teachings are not being followed in the area of intimacy.