38% (1994)

36% (2009)

58% (2014)

39% (1993)

39% (1997)

63% (1998)

28% (1999)

29% (1988)

46% (2007)

24% (1990)

60% (2008)

47% (1997)

10% (2012)

38% (2003)

33% (1998)

53% (2009)

32% (1998)

49% (1990)

29% (2003)

37% (1995)