38% (1999)

59% (2011)

61% (2020)

64% (2014)

58% (2013)

52% (2009)

61% (2010)

54% (2015)

59% (2010)

54% (2012)

62% (2016)

71% (2018)

66% (2019)

48% (2015)

68% (2018)

55% (1991)

67% (2020)

65% (2012)

67% (2021)

68% (2004)