49% (2006)

20% (1998)

70% (2008)

68% (2011)

53% (2013)

0% (1992)

58% (2007)

55% (2011)

52% (2017)

78% (2009)

20% (2018)

75% (2008)

72% (2007)

80% (2013)

56% (2015)

59% (2017)

48% (2006)

80% (1973)

52% (2016)

50% (2017)