75% (2000)

72% (2000)

72% (1998)

67% (2001)

53% (2013)

51% (2018)

65% (1996)

66% (2003)

59% (1992)

59% (2004)

59% (2010)

39% (2002)

69% (1996)

49% (1998)

50% (2009)

49% (1998)

57% (2000)

60% (2005)

59% (2009)

59% (2009)