31% (2001)

59% (2019)

55% (2000)

57% (1997)

67% (1998)

65% (2018)

54% (2010)

50% (1986)

68% (2019)

73% (2020)

64% (2019)

74% (2005)

64% (2021)

60% (2012)

62% (1992)

59% (1994)

59% (2009)

65% (2016)

55% (2015)

58% (1999)