Question: How many people per square kilometer are there in the city of Shizuoka where Seppo Räty threw a javelin 91.98 meters ?

text: Men's javelin throw world record progression
Record progression
Mark Athlete Date Location 62.32 Eric Lemming ( SWE ) 29 September 1912 Stockholm , Sweden 66.10 Jonni Myyrä ( FIN ) 25 August 1919 Stockholm , Sweden 66.62 Gunnar Lindström ( SWE ) 12 October 1924 Eksjö , Sweden 69.88 Eino Penttilä ( FIN ) 8 October 1927 Viipuri , Finland 71.01 Erik Lundqvist ( SWE ) 15 August 1928 Stockholm , Sweden 71.57 Matti Järvinen ( FIN ) 8 August 1930 Viipuri , Finland 71.70 Matti Järvinen ( FIN ) 17 August 1930 Tampere , Finland 71.88 Matti Järvinen ( FIN ) 31 August 1930 Vaasa , Finland 72.93 Matti Järvinen ( FIN ) 14 September 1930 Viipuri , Finland 74.02 Matti Järvinen ( FIN ) 27 June 1932 Turku , Finland 74.28 Matti Järvinen ( FIN ) 25 May 1933 Mikkeli , Finland 74.61 Matti Järvinen ( FIN ) 7 June 1933 Vaasa , Finland 76.10 Matti Järvinen ( FIN ) 15 June 1933 Helsinki , Finland 76.66 Matti Järvinen ( FIN ) 7 September 1934 Turin , Italy 77.23 Matti Järvinen ( FIN ) 18 June 1936 Helsinki , Finland 77.87 Yrjö Nikkanen ( FIN ) 25 August 1938 Karhula , Finland 78.70 Yrjö Nikkanen ( FIN ) 16 October 1938 Kotka , Finland 80.41 Bud Held ( USA ) 8 August 1953 Pasadena , CA , United States 81.75 Bud Held ( USA ) 21 May 1955 Modesto , CA , United States 83.56 Soini Nikkinen ( FIN ) 24 June 1956 Kuhmoinen , Finland 83.66 Janusz Sidło ( POL ) 30 June 1956 Milan , Italy 85.71 Egil Danielsen ( NOR ) 26 November 1956 Melbourne 86.04 Albert Cantello ( USA ) 5 June 1959 Compton , CA , United States 86.74 Carlo Lievore ( ITA ) 1 June 1961 Milan , Italy 87.12 Terje Pedersen ( NOR ) 1 July 1964 Oslo , Norway 91.72 Terje Pedersen ( NOR ) 2 September 1964 Oslo , Norway 91.98 Jānis Lūsis ( URS ) 23 June 1968 Saarijärvi , Finland 92.70 Jorma Kinnunen ( FIN ) 18 June 1969 Tampere , Finland 93.80 Jānis Lūsis ( URS ) 6 July 1972 Stockholm , Sweden 94.08 Klaus Wolfermann ( FRG ) 5 May 1973 Leverkusen , West Germany 94.58 Miklós Németh ( HUN ) 25 July 1976 Montreal , Canada 96.72 Ferenc Paragi ( HUN ) 23 April 1980 Tata , Hungary 99.72 Tom Petranoff ( USA ) 15 May 1983 Los Angeles , United States 104.80 Uwe Hohn ( GDR ) 20 July 1984 East Berlin , East Germany New specifications were introduced in 1986 .
The first world record in the men's javelin throw was recognised by the International Association of Athletics Federations in 1912. As of June 21, 2009, 46 world records have been ratified by the IAAF in the event. New specifications for the javelin were introduced in 1986, and javelins with serrated tails were banned in 1991 which had the effect of reverting to an earlier record set in 1990.
Mark Athlete Date Location
85.74 Klaus Tafelmeier ( FRG ) 21 September 1986 Como , Italy
87.66 Jan Železný ( TCH ) 31 May 1987 Nitra , Czechoslovakia
89.10 Patrik Bodén ( SWE ) 24 March 1990 Austin , United States
89.58 Steve Backley ( GBR ) 2 July 1990 Stockholm , Sweden
89.66 * Jan Železný ( TCH ) 14 July 1990 Oslo , Norway
90.98 * Steve Backley ( GBR ) 20 July 1990 London , England
91.98 * Seppo Räty ( FIN ) 6 May 1991 Shizuoka , Japan
96.96 * Seppo Räty ( FIN ) 2 June 1991 Punkalaidun , Finland