57% (2002)

36% (1998)

57% (2017)

51% (1999)

54% (1988)

65% (2007)

47% (2017)

54% (2004)

37% (2012)

25% (2011)

61% (2006)

43% (1970)

48% (1990)

67% (1950)

40% (2005)

52% (2012)

50% (1973)

49% (2018)

64% (1985)

40% (2014)