62% (2008)

57% (2009)

62% (2007)

57% (2008)

63% (2008)

55% (2004)

61% (2006)

56% (2007)

53% (1998)

60% (2019)

61% (2006)

56% (1998)

61% (2006)

53% (2000)

59% (1999)

39% (1997)

57% (2004)

60% (2008)

51% (1998)

46% (2005)