66% (2002)

55% (1993)

64% (2008)

61% (1999)

58% (2006)

62% (2002)

62% (2007)

57% (2000)

64% (1995)

60% (2014)

52% (1998)

60% (1996)

56% (1992)

49% (2004)

44% (2002)

68% (2003)

59% (1996)

64% (1991)

59% (1998)

57% (1999)