74% (1998)

65% (2014)

43% (2004)

71% (1988)

72% (2010)

58% (2014)

68% (2003)

68% (2014)

64% (2010)

59% (2020)

63% (2020)

60% (2017)

55% (2015)

59% (2009)

67% (2002)

57% (1990)

65% (2005)

72% (1994)

71% (2003)

66% (2012)