{"year":1896,"time":273.2}
{"year":1900,"time":246.2}
{"year":1904,"time":245.4}
{"year":1908,"time":243.4}
{"year":1912,"time":236.8}
{"year":1916}
{"year":1920,"time":241.8}
{"year":1924,"time":233.6}
{"year":1928,"time":233.2}
{"year":1932,"time":231.2}
{"year":1936,"time":227.8}
{"year":1940}
{"year":1944}
{"year":1948,"time":229.8}
{"year":1952,"time":225.2}
{"year":1956,"time":221.2}
{"year":1960,"time":215.6}
{"year":1964,"time":218.1}
{"year":1968,"time":214.9}
{"year":1972,"time":216.3}
{"year":1976,"time":219.2}
{"year":1980,"time":218.4}
{"year":1984,"time":212.5}
{"year":1988,"time":216}
{"year":1992,"time":220.1}
{"year":1996,"time":215.8}