46% (1995)

47% (1995)

52% (2008)

67% (2010)

58% (1996)

53% (2005)

36% (2005)

46% (2005)

60% (2009)

60% (2010)

70% (1996)

53% (2003)

61% (2005)

56% (2006)

41% (1998)

64% (2005)

56% (2004)

67% (1990)

0% (1988)

37% (1997)