62% (1993)

86% (2004)

82% (1983)

97% (2001)

80% (2008)

60% (1985)

90% (2010)

0% (2003)

69% (1996)

83% (1995)

77% (2013)

72% (1998)

60% (1991)

74% (2011)

82% (2002)

77% (2015)

0% (2012)

92% (2008)

75% (2007)

82% (2018)