58% (1996)

62% (2000)

60% (1996)

69% (2000)

44% (2002)

62% (2015)

52% (1994)

68% (2001)

59% (2007)

57% (1999)

63% (1998)

59% (1998)

61% (1999)

66% (2002)

51% (2000)

51% (1990)

63% (2008)

70% (1996)

60% (2014)

66% (1996)