63% (2021)

61% (2020)

69% (2016)

69% (2007)

68% (2009)

46% (2012)

78% (2015)

65% (2011)

55% (2009)

68% (2013)

70% (2004)

56% (2014)

51% (2011)

68% (2015)

57% (2006)

56% (2005)

54% (1998)

52% (2002)

72% (2018)

53% (2014)