75% (2008)

67% (2015)

53% (2010)

58% (2011)

55% (2002)

52% (2013)

53% (2009)

47% (2002)

60% (2015)

46% (2008)

55% (2011)

45% (2002)

44% (1993)

41% (2008)

40% (1994)