81% (2016)

60% (2017)

54% (2012)

56% (2005)

64% (2020)

0% (1970)

50% (2008)

49% (1973)

90% (2015)

63% (2008)

61% (2007)

30% (1963)

49% (2017)

59% (2006)

60% (2018)

60% (2017)

0% (2015)