62% (1977)

47% (2008)

57% (2015)

64% (2002)

47% (2009)

70% (1998)

57% (2018)

75% (2008)

0% (2006)

53% (2006)

63% (2001)

30% (2011)

66% (2007)

43% (2013)

60% (2003)

40% (2002)

58% (2011)

43% (2008)

60% (2011)

68% (2004)