69% (2014)

65% (2017)

74% (2020)

67% (2007)

50% (2018)

60% (2012)

70% (2008)

73% (1994)

62% (1992)

65% (2011)

63% (2006)

60% (2001)

65% (2012)

0% (2010)

57% (1998)

70% (1996)

50% (1995)

50% (2010)