45% (2010)

80% (2013)

70% (2018)

79% (2012)

73% (2019)

0% (2007)

0% (2000)

80% (2005)

70% (2015)

0% (2020)

80% (2013)

85% (2016)

0% (2012)

0% (1992)

80% (1994)

48% (1986)

81% (2007)

73% (2019)

70% (2016)

80% (1991)