57% (2000)

73% (2005)

70% (1996)

0% (2013)

0% (2018)

64% (2004)

70% (2001)

72% (2009)

0% (2008)

87% (2014)

75% (1991)

70% (2006)

75% (2010)

60% (2006)

0% (2013)

85% (1983)

0% (2014)

10% (2004)

65% (2003)

70% (1993)