76% (1992)

68% (2000)

60% (2005)

42% (2004)

0% (1997)

58% (1999)

71% (2009)

62% (1999)

30% (1997)

0% (2008)

35% (2004)

60% (2018)

56% (1999)

80% (2010)

55% (1988)

0% (1988)

69% (2000)

100% (2013)

78% (2012)

63% (2012)