81% (2009)

80% (2023)

72% (2018)

72% (2006)

72% (2003)

61% (1994)

67% (2016)

63% (2000)

56% (2019)

64% (2005)

72% (1989)

61% (2007)

59% (1998)

59% (2012)

63% (1986)