73% (2014)

62% (2013)

70% (2005)

69% (2006)

66% (2018)

60% (1997)

62% (2003)

63% (2003)

68% (2012)

66% (2007)

71% (2016)

67% (2005)

56% (2019)

65% (2017)

71% (2003)

71% (2003)

60% (2006)

66% (2001)

59% (2004)

65% (2004)