replacing the years links by svg elements (because of IE that does not support rotation on texte)
replacing the years links by svg elements (because of IE that does not support rotation on texte)

madewulf/PopulationPyramid.net,bctclc/PopulationPyramid.net,bctclc/PopulationPyramid.net,madewulf/PopulationPyramid.net,bctclc/PopulationPyramid.net,bctclc/PopulationPyramid.net,madewulf/PopulationPyramid.net