65% (2005)

70% (2001)

64% (1999)

74% (2000)

61% (2002)

70% (2004)

60% (2001)

54% (2009)

55% (2009)

51% (2006)

49% (1995)

55% (1998)

56% (2006)

53% (1993)

49% (2005)

62% (2021)

51% (1997)

59% (1992)

61% (1998)

53% (1995)