Original sentence: (District):  1974, 1977, 1978, 1979, 1983, 1991, 1993, 1994, 1996, 1997, 2004.(Region):  1974, 2007, 2008
Edited sentence: (District):  1974, 1977, 1978, 1979, 1983, 1991, 1993, 1994, 1996, 1997, 2004, 2008.(Region):  1974, 2007