72% (1997)

64% (1995)

68% (1991)

64% (1997)

64% (2020)

48% (1992)

53% (1989)

45% (1992)

55% (1990)

64% (1997)

55% (1993)

55% (1997)

58% (2003)

55% (1999)

60% (1997)

53% (2012)

42% (2000)

48% (1996)

42% (1992)

50% (1979)