68% (2003)

68% (1983)

61% (1997)

63% (2010)

61% (2013)

63% (1982)

43% (1987)

60% (1999)

65% (1977)

61% (1992)

60% (1990)

55% (2018)

57% (1992)

66% (2014)

55% (1999)

58% (1980)

48% (2004)

60% (1979)

43% (1987)

55% (2023)