73% (2025)

72% (2016)

69% (2021)

62% (2022)

63% (2021)

65% (2020)

64% (2005)

68% (2016)

69% (2021)

67% (2007)

70% (2006)

60% (2018)

53% (2011)

54% (2008)

50% (1986)

45% (2015)

45% (2013)

56% (2009)

47% (2012)

50% (2015)