75% (2015)

74% (2020)

68% (2007)

60% (2012)

49% (2018)

69% (2014)

65% (2017)

70% (2008)

50% (1999)

73% (1994)

60% (2001)

65% (2011)

62% (1992)

65% (2012)

50% (1995)

57% (1998)

57% (2002)

50% (2010)

70% (1996)

63% (2006)