70% (2025)

72% (2016)

68% (2021)

62% (2022)

63% (2005)

68% (2016)

63% (2021)

70% (2006)

65% (2020)

53% (2011)

48% (1996)

49% (1986)

70% (2021)

68% (2007)

54% (2008)

50% (2015)

56% (2009)

61% (2018)

47% (2012)

44% (2013)