60% (2012)

67% (2018)

64% (2010)

63% (2013)

30% (2001)

74% (2005)

57% (2014)

34% (2014)

47% (1986)

59% (2009)

57% (2005)

70% (1989)

66% (2000)

72% (1994)

56% (1997)

64% (2006)

61% (1991)

39% (2006)

46% (2008)

57% (2003)