59% (2024)

61% (2015)

60% (2021)

46% (2017)

55% (2019)

61% (2011)

59% (2019)

49% (2017)

67% (2020)

47% (2013)

37% (2013)

48% (2009)

47% (2004)

49% (2018)

47% (2009)

50% (2004)

55% (2003)

59% (2009)

0% (1970)

47% (2000)