57% (2009)

56% (2011)

57% (2011)

61% (2006)

49% (2010)

15% (2021)

38% (2011)

27% (2007)

57% (2004)

30% (2008)

46% (2011)

34% (2008)

54% (2013)

56% (2014)

42% (2010)

30% (2006)

38% (2009)

23% (2002)

31% (2003)

73% (1994)