74% (2001)

62% (2018)

66% (2006)

54% (1993)

55% (2005)

61% (2002)

68% (2016)

65% (1999)

67% (2003)

65% (2017)

71% (2005)

60% (2014)

60% (1999)

65% (2010)

65% (2009)

68% (2008)

57% (2013)

64% (2000)

63% (2018)

64% (2013)