Brazilian presidential candidate Eduardo Campos has reportedly been killed when his private jet crashed in the city of Santos in Sao Paulo, according to local TV network GloboNews.
Campos, 49, is a former governor Pernambuco state.
He positioned himself as a business-friendly leftist and was a former ally of President Dilma Rousseff, who is seeking a second term.
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The figure is up from £42.3 million in 2014/15 and £56.9 million 2015/16, according to the research.
A study by Which? looked at the work done by councils across the country.
Harry first visited the African country in 2004 on a gap year.