60% (1988)

60% (2004)

67% (2008)

68% (2007)

62% (2012)

69% (2009)

62% (2013)

61% (2009)

63% (2006)

59% (1999)

65% (2011)

61% (2024)

58% (2014)

69% (2004)

0% (2025)

78% (2015)

58% (2010)

54% (2013)

62% (2005)

56% (2018)