52% (2004)

62% (2003)

62% (1998)

60% (2003)

62% (2013)

46% (2001)

47% (2015)

64% (2006)

53% (1994)

32% (1993)

54% (2014)

51% (2005)

47% (1997)

35% (2006)

47% (2015)

20% (1988)

65% (1997)

38% (2005)

40% (1999)

0% (1997)