73% (2020)

69% (2014)

65% (2017)

68% (2007)

50% (2018)

70% (2008)

60% (2012)

65% (2011)

63% (2006)

72% (1994)

60% (2001)

62% (1992)

57% (1998)

50% (1995)

65% (2012)

50% (2010)

70% (1996)