42% (2007)

20% (2005)

30% (1998)

50% (2006)

55% (1990)

50% (1994)

55% (1992)

70% (1995)

69% (1993)

50% (2008)

10% (2007)

59% (2012)

80% (1998)

70% (1991)

75% (1990)

56% (2009)

90% (2000)

60% (1998)

75% (2016)

43% (2006)