53% (2005)

62% (2004)

61% (2005)

54% (1990)

60% (2009)

51% (2010)

60% (2010)

48% (1992)

50% (1995)

72% (2003)

58% (2006)

66% (2010)

46% (2005)

46% (1995)

58% (1996)

0% (1995)

52% (2008)

56% (2004)

62% (2005)

45% (1992)