57% (2000)

73% (2005)

0% (2018)

64% (2004)

72% (2009)

75% (2010)

70% (2001)

65% (2003)

0% (2013)

70% (2006)

0% (2013)

75% (1991)

60% (2006)

87% (2014)

0% (2008)

70% (1993)

90% (2007)

0% (1996)

70% (1996)

0% (2008)