64% (2010)

60% (2015)

46% (2003)

58% (2008)

59% (2006)

47% (2020)

61% (1998)

51% (2003)

48% (2018)

65% (2008)

65% (2011)

59% (1973)

59% (2008)

66% (2001)

58% (2007)

64% (2014)

52% (2015)

51% (2006)

57% (1997)

53% (2006)