60% (2018)

55% (1999)

55% (2014)

59% (2005)

52% (1999)

64% (1998)

71% (1997)

67% (1991)

55% (2009)

70% (2001)

60% (2018)

58% (2003)

64% (1994)

56% (1998)

49% (1967)

56% (2000)

58% (2015)

65% (1993)

42% (1998)

47% (1993)