56% (1999)

58% (2005)

55% (2014)

71% (2001)

71% (1997)

60% (2018)

64% (1993)

57% (2015)

55% (2009)

56% (1998)

67% (1991)

59% (2003)

64% (1998)

52% (1999)

49% (1967)

56% (2000)

47% (1993)

60% (1991)

60% (2018)

62% (1991)