49% (2006)

54% (2007)

60% (2002)

67% (2013)

59% (2006)

57% (2007)

60% (2007)

51% (2013)

56% (2013)

49% (2017)

59% (2009)

59% (2001)

45% (2001)

46% (2013)

59% (2012)

62% (2012)

49% (2018)

48% (2010)

72% (2016)

60% (2015)