64% (1999)

65% (2005)

61% (2002)

74% (2000)

70% (2001)

71% (2004)

55% (2009)

60% (2001)

56% (2009)

51% (2006)

57% (2006)

55% (1998)

53% (1993)

62% (2021)

61% (1998)

50% (1995)

52% (1997)

49% (2005)

59% (1992)

61% (2001)