67% (1992)

52% (1997)

66% (1997)

53% (1998)

51% (2005)

49% (2007)

57% (2000)

72% (2008)

68% (2004)

56% (2009)

42% (2010)

56% (2006)

36% (2010)

50% (2019)

43% (2003)

40% (2018)

57% (2021)

45% (1997)

48% (1994)

51% (2000)