44% (2004)

36% (1965)

47% (1986)

52% (2001)

31% (2021)

60% (2018)

44% (2012)

44% (2003)

46% (2009)

57% (1996)

30% (1986)

50% (1998)

28% (1967)

48% (2009)

40% (2014)

51% (1980)

32% (2007)

40% (2012)

50% (1978)

52% (2015)