55% (2002)

52% (1997)

50% (2003)

75% (2011)

68% (2003)

70% (2003)

62% (1991)

57% (2004)

40% (1981)

69% (2006)

57% (2008)

71% (1993)

55% (2001)

61% (2021)

55% (2004)

65% (2015)

57% (2009)

20% (2003)

0% (1994)

70% (2000)