64% (2007)

67% (2010)

63% (2008)

58% (2011)

62% (1999)

60% (2007)

62% (2008)

64% (2008)

56% (2008)

60% (2004)

62% (2010)

61% (2005)

40% (2019)

57% (2008)

62% (2011)

63% (2012)

65% (2011)

54% (2003)

58% (2012)

65% (2008)