71% (2007)

52% (2006)

60% (2007)

65% (2010)

67% (2005)

56% (2009)

58% (1998)

60% (1999)

57% (1991)

52% (1999)

58% (2015)

30% (2004)

70% (2001)

65% (2022)

48% (1991)