60% (2004)

61% (2006)

73% (2002)

56% (2003)

50% (2002)

67% (1997)

60% (2001)

65% (2018)

66% (2002)

67% (1995)

60% (1995)

60% (1998)

63% (1996)

67% (1995)

56% (1993)

68% (1997)

75% (2002)

50% (2000)

65% (1995)

72% (1994)