49% (1991)

42% (1995)

70% (2021)

63% (2009)

63% (2016)

53% (2005)

57% (1978)

47% (2018)

48% (2002)

49% (1999)

62% (2009)

73% (2017)

35% (2012)

57% (2009)

52% (2017)

61% (2015)

70% (2018)

70% (2015)

47% (2016)

70% (2001)