77% (1998)

78% (1995)

76% (2020)

66% (2004)

74% (2018)

73% (1998)

46% (1989)

56% (2002)

59% (2011)

60% (1997)

49% (2001)

0% (2000)

50% (2000)

41% (2005)

46% (2002)

0% (2003)