56% (2009)

56% (2018)

46% (2006)

63% (2005)

53% (2010)

60% (2021)

62% (2014)

43% (2012)

52% (2011)

46% (2005)

54% (2008)

60% (2004)

62% (2014)

20% (2000)

27% (2001)

0% (1970)

0% (2025)

20% (2003)

63% (2016)

52% (2011)