45% (1994)

49% (1991)

48% (1995)

33% (1997)

34% (1993)

41% (2004)

46% (1987)

38% (1995)

43% (1991)

46% (1995)

43% (1994)

45% (2011)

48% (1995)

53% (1995)

49% (1994)

30% (1995)

60% (1995)

25% (1995)

46% (1990)

48% (2003)