69% (2014)

73% (2020)

65% (2017)

68% (2007)

70% (2008)

51% (2018)

62% (1992)

60% (2012)

65% (2011)

72% (1994)

60% (2001)

70% (1996)

65% (2012)

50% (2010)

63% (2006)

57% (1998)

50% (1995)