These are the regions from 1997 to 2007. Caga 1997 = 5, 2007 = 13. Car 1997 = 3, 2007 = 9. Mima 1997 = 2, 2007 = 6. Caraga 1997 = 1, 2007 = 2. Dav 1997 = 0, 2007 = 2. Zambo 1997 = 5, 2007 = 5. What region(s) HAS/HAVE THE LEAST TWO ADDITIONAL CITIES from 1997 to 2007?