27% (1996)

62% (2007)

56% (2009)

20% (2024)

49% (2012)

52% (1981)

37% (1978)

50% (2016)

64% (1968)

39% (2004)

41% (2005)

64% (1981)

60% (2023)

42% (2021)

51% (1979)

35% (2007)

50% (1966)

49% (2011)

65% (2019)

53% (2012)