68% (2005)

69% (2015)

61% (2007)

66% (2018)

58% (2013)

69% (2017)

47% (2003)

74% (2007)

55% (2010)

60% (2017)

49% (2012)

72% (1996)

66% (2005)

59% (2018)

57% (2011)

59% (2009)

58% (1999)

66% (2001)

52% (2014)

50% (2007)