72% (1956)

44% (2001)

46% (2005)

61% (1970)

27% (1999)

60% (2009)

72% (1994)

78% (1996)

68% (1971)

76% (2015)

35% (1996)

90% (1990)

10% (2000)

81% (2015)

73% (2005)

41% (2009)

55% (2004)

83% (2025)

0% (2018)

70% (2014)