59% (2011)

56% (2024)

57% (2003)

57% (2012)

58% (2008)

59% (2013)

61% (2003)

61% (2009)

64% (2001)

68% (1989)

30% (1994)

56% (2012)

55% (2005)

55% (2023)

55% (1987)

60% (2006)

45% (2009)

57% (1983)

56% (1999)

61% (2022)