35% (1998)

52% (1992)

40% (1987)

10% (2000)

49% (1994)

52% (2003)

54% (2000)

44% (2001)

43% (2001)

58% (1998)

39% (1996)

47% (2002)

46% (2016)

54% (1992)

33% (2011)

41% (2010)

55% (2003)

40% (2000)

66% (2000)

49% (2003)