59% (2021)

71% (2020)

59% (2000)

74% (2003)

57% (1997)

60% (2010)

40% (1965)

0% (1980)

10% (1997)

70% (2010)

0% (1996)

46% (2008)

0% (1995)

60% (2003)

0% (1976)

0% (2003)

42% (2010)

0% (1998)

10% (1997)

0% (1992)