67% (2005)

64% (2011)

64% (2005)

59% (2009)

52% (1997)

49% (2008)

69% (1996)

57% (1999)

51% (1999)

68% (2003)

61% (2002)

55% (2005)

60% (1999)

0% (1970)

57% (1999)

50% (2009)

0% (1970)

100% (2016)

30% (2009)