1960: 69, 84% 1961: 54,63% 1962: 54,62% 1963: 63,98% 1964: 65,13% 1965: 53,47% 1966: 31,86% 1967: 35,70% 1968: 45,78% 1969: 72,53% 1970: 70,41%. 1971: 62,09% 1972: 56,03% 1973: 56,73% 1974: 47,88% 1975: 45,93% 1976: 47,19% 1977: 49,89% 1978: 47,09% 1979: 49,02% 1980: 38,32% 1981: 47,12% 1982: 44,56% 1983: 68,31% 1984: 58,63% 1985: 55,77% 1986: 51,43% 1987: 66,90% 1988: 36,12% 1989: 38,20% 1990: 52,14% 1991: 52,14% 1992: 24,25% 1993: 30,24% 1994: 13,39% 1995: 24,68% 1996: 25,00% 1997: 29,34% 1998: 35,96% 1999: 30,09% 2000: 36,61% 2001: 38,16% 2002: 21,73% 2003: 32,52% 2004: 43,86% 2005: 27,92% 2006: 40,09% 2007: 25,56% 2008: 26,87% 2009: 20,12% 2010: 20,12% 2011: 23,71% 2012: 25,27% 2013: 33,58% 2014: 36,23% 2015: 39,66% 2016: 42,38% 2017: 44,97% 2018: 46,09% 2019: 41,23% 2020: 40,08% 2021: 29,24% 2022: 30,78% 2023: 32,09% 2024: 34,17%, 2025:40, 15%
Norbert Nkaka