<prompt> Qedela umusho olandelayo: I-Angola ibambe iqhaza emidlalweni engu-14 yeNdebe yoMhlaba kusukela ngo-1990, okungukuthi ngo-1990, 1993, 1995, 1997, 1999, 2001, 2003, 2005, 2007, 2009, 2011, 2013, 2015 nango-2017. Ngokukhethekile ibekwe endaweni yesikhombisa ngo-2007 kanye nendawo yesishiyagalombili  <response>: Ngo-2011. 