61% (2006)

56% (2011)

57% (2004)

57% (2009)

57% (2011)

49% (2010)

31% (2003)

54% (2013)

15% (2021)

23% (2002)

27% (2007)

38% (2011)

56% (2014)

42% (2010)

46% (2011)

38% (2009)

30% (2006)

36% (2004)

40% (2009)

43% (2013)