46% (1995)

48% (2003)

41% (1999)

51% (2005)

48% (2000)

67% (1997)

35% (2011)

40% (2004)

47% (1997)

37% (1998)

20% (1997)

56% (2009)

55% (1999)

60% (1995)

40% (2005)

38% (1997)

38% (1994)

56% (2000)

40% (1994)

28% (2001)