62% (2003)

45% (2004)

67% (2021)

30% (2003)

56% (1997)

33% (1997)

64% (2003)

49% (2001)

0% (1998)

54% (2000)

50% (2002)

51% (1993)

63% (2001)

76% (1989)

55% (1994)

54% (1992)

50% (1994)

53% (1995)

57% (1995)

37% (2001)