69% (1994)

56% (2007)

68% (2002)

52% (2004)

60% (2005)

68% (2007)

58% (2005)

54% (1995)

58% (2009)

0% (1999)

61% (2000)

68% (1998)

100% (1981)

30% (2001)

60% (2010)

42% (2001)

60% (1994)

0% (2007)

90% (1998)