68% (2007)

66% (2009)

52% (2016)

59% (2011)

54% (2015)

57% (1996)

52% (1986)

48% (2024)

44% (1970)

57% (2012)

59% (1970)

66% (2011)

57% (2001)

62% (2012)

68% (1978)

40% (2009)

56% (2021)

0% (1976)

57% (2011)

54% (2008)