62% (2000)

60% (2012)

62% (2008)

57% (2009)

61% (2006)

55% (2004)

60% (2006)

62% (2007)

59% (1999)

57% (2004)

56% (2007)

56% (1998)

60% (2019)

60% (2008)

53% (2000)

46% (1997)

61% (2006)

68% (1996)

62% (1996)

46% (2005)