70% (2001)

65% (2005)

60% (2001)

71% (2004)

57% (2006)

63% (1999)

61% (2002)

55% (1998)

63% (2021)

53% (1993)

74% (2000)

51% (1997)

50% (1995)

61% (1998)

49% (2005)

61% (2001)

50% (1993)

60% (2001)

50% (1998)

49% (2001)