64% (2020)

72% (1997)

68% (1991)

48% (1992)

53% (1989)

45% (1992)

64% (1995)

64% (1997)

55% (1990)

55% (1997)

55% (1993)

60% (1997)

64% (1997)

58% (2003)

53% (2012)

42% (2000)

55% (1999)

48% (1996)

42% (1992)

41% (1992)