73% (2021)

72% (2001)

61% (2020)

60% (2009)

20% (2015)

0% (2015)

55% (2018)

20% (2016)

0% (2020)

60% (2017)

0% (2019)

60% (2010)

50% (1997)

40% (1991)

60% (2011)

0% (2008)

0% (2019)

78% (1997)

40% (2002)

45% (2020)