Practise extracting unknown values from graphs, identifying anomalies and trends, and comparing observable specimen features to support a conclusion.
The graph shows the percentage of tuberculosis (TB) patients who were also known to be infected with HIV, from 2004 to 2011.
Which statement about the graph is correct?
From 2004 to 2010, the percentage of TB patients with HIV infection in region P increased from 3% to 69%.
From 2005 to 2011, the percentage of TB patients with HIV infection increased more rapidly in region P than in regions outside region P.
From 2006 to 2011, the percentage of TB patients with HIV infection in regions outside region P doubled.
From 2007 to 2011, the percentage of TB patients with HIV infection globally increased from 20% to 30%.