77% (2018)

64% (1998)

72% (1992)

63% (2019)

57% (2016)

74% (2013)

72% (2015)

67% (2011)

61% (1999)

60% (2003)

62% (2006)

67% (2016)

57% (2001)

71% (2009)

48% (2002)

63% (2012)

59% (2012)

55% (2002)

53% (2003)

67% (1990)