18% (2003)

20% (2014)

0% (2021)

40% (2004)

30% (2015)

60% (2017)

80% (2018)

40% (2018)

0% (2017)

12% (2012)

40% (2013)

0% (2017)

51% (2005)

40% (2021)

32% (2010)

10% (2005)

50% (2009)

27% (2008)

30% (2015)

10% (2018)