68% (2019)

65% (2016)

54% (2018)

69% (2007)

50% (2010)

72% (2006)

0% (1996)

0% (2005)

0% (1972)

70% (2009)

63% (1997)

70% (2002)

65% (2017)

0% (1997)

75% (1994)

51% (2003)

80% (2012)

56% (2016)

68% (1991)

48% (1991)