60% (2006)

63% (2009)

66% (2019)

41% (1990)

42% (1990)

47% (2011)

50% (2009)

56% (2004)

68% (1998)

57% (2016)

50% (2016)

66% (1961)

59% (2005)

41% (2007)

61% (2015)

60% (2001)

50% (2001)

69% (2010)

42% (2003)