51% (2005)

68% (2024)

67% (2022)

80% (2012)

63% (1993)

57% (1990)

0% (1979)

0% (1980)

60% (2008)

20% (1961)

10% (1990)

55% (1980)

85% (2004)

60% (1975)

71% (2003)

39% (1997)

50% (2020)

46% (2018)

49% (2017)

10% (2012)