51% (1995)

20% (1998)

20% (2004)

62% (2003)

73% (1998)

81% (2005)

76% (2007)

85% (2017)

20% (2017)

85% (2002)

55% (2000)

60% (2003)

60% (2014)

30% (1990)

76% (2006)

45% (2006)

20% (1997)

70% (2001)

53% (2016)

20% (2004)