47% (1996)

48% (1998)

36% (2007)

49% (2005)

67% (2007)

56% (2005)

58% (2009)

53% (1998)

65% (2021)

37% (1996)

50% (2000)

53% (1994)

67% (2007)

54% (2000)

58% (2007)

0% (1970)

55% (2002)