59% (2012)

56% (2007)

48% (2004)

38% (2007)

0% (2000)

35% (2009)

41% (2007)

44% (2008)

57% (2006)

54% (2011)

47% (2007)

54% (2007)

49% (2007)

10% (1999)

46% (2006)

0% (1995)