56% (1997)

60% (2004)

69% (2000)

47% (1992)

56% (1991)

59% (1993)

0% (2012)

78% (2013)

60% (1993)

30% (2015)

80% (1988)

48% (2000)

60% (1989)

0% (1987)

63% (2011)

72% (2012)

0% (2008)

78% (2009)

57% (1996)

54% (1999)