71% (2021)

64% (2019)

72% (2015)

66% (2015)

66% (2019)

68% (2018)

65% (2014)

62% (2021)

59% (2012)

60% (2021)

71% (2010)

46% (2020)

64% (2019)

58% (2017)

59% (2016)

67% (2007)

58% (2006)

39% (2017)

75% (2019)

53% (2002)