56% (2011)

60% (2012)

63% (2009)

40% (1991)

38% (1996)

37% (1996)

59% (2008)

50% (2001)

54% (1997)

0% (2019)

48% (2001)

67% (1995)

50% (2000)

50% (1995)

50% (2000)

0% (2006)

0% (1994)

80% (1999)

40% (1992)

0% (2000)