62% (2003)

60% (1998)

51% (2004)

59% (2003)

62% (1995)

53% (1994)

32% (1993)

38% (2005)

27% (1995)

35% (2006)

37% (1998)

46% (2015)

47% (2001)

47% (2015)

62% (2013)

50% (2012)

20% (1988)

66% (2006)

57% (2014)

59% (2002)