76% (2006)

61% (2009)

64% (2008)

60% (2007)

49% (1997)

60% (2020)

65% (1999)

50% (2000)

57% (2006)

61% (2010)

69% (2002)

53% (2003)

56% (2009)

64% (2023)

60% (2001)

62% (2001)

0% (1970)

35% (1999)

0% (1970)