68% (2021)

72% (1995)

69% (2012)

66% (2000)

66% (1999)

67% (2000)

56% (2004)

59% (2004)

63% (1999)

35% (2004)

56% (2004)

66% (1998)

0% (2007)

47% (2002)

10% (2004)

35% (2005)

42% (2006)

58% (1999)

55% (2002)

60% (1992)