68% (2005)

69% (2015)

66% (2018)

58% (2013)

69% (2017)

74% (2007)

59% (2002)

72% (1996)

66% (2005)

58% (1999)

52% (2014)

54% (1998)

59% (2018)

61% (2007)

60% (2017)

53% (2007)

47% (2002)

59% (2009)

25% (2023)

61% (2006)