77% (2015)

80% (2018)

67% (2017)

75% (2000)

77% (2019)

63% (2009)

64% (2012)

61% (2016)

67% (2006)

65% (1999)

66% (2015)

52% (2006)

60% (1997)

75% (2013)

62% (2015)

65% (2008)

69% (2003)

62% (2005)

59% (1999)

66% (2011)