77% (2018)

57% (2016)

63% (2019)

72% (1992)

64% (1998)

74% (2013)

67% (2011)

72% (2015)

67% (2016)

61% (1999)

55% (2002)

62% (2006)

57% (2001)

60% (2003)

59% (2012)

63% (2012)

53% (2003)

48% (2002)

61% (2014)

61% (2007)