60% (2009)

42% (2009)

48% (2010)

50% (2009)

44% (2004)

42% (2009)

53% (2008)

53% (2008)

46% (2008)

46% (2008)

59% (2009)

48% (2008)

63% (2007)

50% (2009)

46% (2007)

44% (2004)

44% (2007)

62% (2006)

50% (2009)

55% (2007)