77% (1997)

68% (2018)

58% (1985)

65% (2005)

68% (1999)

60% (2002)

59% (2000)

67% (1990)

67% (2007)

61% (2010)

60% (2025)

55% (2010)

74% (2009)

56% (2014)

62% (2006)

55% (2006)

58% (2011)

68% (2017)

61% (2007)

46% (1997)