75% (2018)

72% (2014)

64% (2012)

69% (2017)

64% (2020)

47% (2022)

51% (2015)

47% (2012)

45% (2010)

55% (2011)

54% (2014)

46% (2008)

52% (2011)

61% (2016)

71% (2009)

43% (2010)

38% (2007)