70% (2003)

61% (2010)

58% (2020)

46% (2008)

67% (2009)

61% (2008)

70% (2025)

75% (2006)

48% (2014)

50% (2014)

53% (2006)

63% (2005)

0% (1970)

80% (2005)

48% (2007)