54% (2011)

63% (2009)

62% (2010)

60% (2014)

59% (2016)

54% (2006)

69% (2008)

37% (2013)

56% (2017)

61% (2008)

49% (2018)

47% (2002)

56% (2015)

58% (2012)

62% (1995)

66% (2013)

56% (2019)

40% (2012)

53% (2010)

57% (1997)