68% (2015)

57% (1989)

61% (1996)

57% (2008)

56% (2018)

59% (2016)

59% (2010)

73% (2022)

69% (2019)

69% (1999)

64% (1996)

61% (2012)

58% (2006)

65% (2016)

64% (2021)

58% (2016)

73% (2008)

65% (2009)

60% (2014)

55% (2009)