77% (2006)

70% (2003)

71% (2006)

75% (2019)

63% (2010)

69% (1999)

72% (2012)

64% (2017)

67% (1999)

64% (2013)

64% (2018)

60% (2005)

68% (1993)

75% (2013)

56% (2020)

65% (2015)

58% (2016)

66% (2018)

63% (2023)

58% (2002)