61% (1999)

58% (2003)

57% (2001)

37% (1996)

60% (2002)

32% (2009)

50% (2006)

35% (1994)

43% (2005)

30% (2001)

33% (2002)

49% (2000)

42% (1996)

26% (1995)

0% (1995)

58% (2002)