65% (2009)

72% (2016)

47% (2008)

49% (2008)

58% (2011)

59% (2017)

73% (2018)

61% (2014)

67% (2014)

62% (2010)

69% (2013)

48% (2012)

50% (2010)

49% (2010)

28% (2004)

52% (2005)

43% (2005)

69% (2007)

46% (1996)

51% (2007)