{"Year":2016,"Gender":"Women","Time":55.48}
{"Year":2012,"Gender":"Women","Time":55.98}
{"Year":2008,"Gender":"Women","Time":56.73}
{"Year":2004,"Gender":"Women","Time":57.72}
{"Year":2000,"Gender":"Women","Time":56.61}
{"Year":1996,"Gender":"Women","Time":59.13}
{"Year":1992,"Gender":"Women","Time":58.62}
{"Year":1988,"Gender":"Women","Time":59}
{"Year":1984,"Gender":"Women","Time":59.26}
{"Year":1980,"Gender":"Women","Time":60.62}
{"Year":1976,"Gender":"Women","Time":60.13}
{"Year":1972,"Gender":"Women","Time":63.73}
{"Year":1968,"Gender":"Women","Time":65.5}
{"Year":1964,"Gender":"Women","Time":64.7}
{"Year":2016,"Gender":"Men","Time":50.39}
{"Year":2012,"Gender":"Men","Time":51.21}
{"Year":2008,"Gender":"Men","Time":50.58}
{"Year":2004,"Gender":"Men","Time":51.25}
{"Year":2000,"Gender":"Men","Time":52}
{"Year":1996,"Gender":"Men","Time":52.27}
{"Year":1992,"Gender":"Men","Time":53.32}
{"Year":1988,"Gender":"Men","Time":53}
{"Year":1984,"Gender":"Men","Time":53.08}
{"Year":1980,"Gender":"Men","Time":54.92}
{"Year":1976,"Gender":"Men","Time":54.35}
{"Year":1972,"Gender":"Men","Time":54.27}
{"Year":1968,"Gender":"Men","Time":55.9}
{"Year":1964,"Gender":"Men"}