78% (2022)

67% (2024)

80% (2024)

65% (2018)

40% (2019)

45% (2013)

20% (2003)

55% (2007)

63% (2017)

58% (2015)

41% (2012)

64% (2008)

50% (2007)

58% (2009)

0% (1970)

45% (2002)

36% (2010)

61% (1993)

53% (1999)