The title of the graph is INCREASE IN RESISTANCE OF HOSPITAL STRAINS STAPHYLOCOCCUS AUREUS. The graph is showing PERCENT OF RESISTANCE BACTERIAL STRAINS per YEAR. In 1928, point a, when SIR ALEXANDER FLEMING OBSERVED THAT THE MOLD PENICILLIUM KILLS THE BACTERIUM STAPHYLOCOCCUS there were 10% of resistant bacterial stains.