2007: (1) KEN=4...(2) USA=4...(3) RUS=2...(4) BRN=2...(5) BRA=1.......(23 total; 15 countries) 2006: (1) KEN=4...(2) RUS=2...(3) USA=2...(4) FRA=2...(5) MAR=2.......(25 total; 17 countries) 2005: (1) KEN=4...(2) USA=3...(3) BRN=3...(4) QAT=2...(5) MAR=2.......(25 total; 16 countries) 2004: (1) KEN=7...(2) USA=3...(3) MAR=2...(4) RSA=2...(5) RUS=1.......(25 total; 15 countries) 2003: (1) KEN=6...(2) RSA=3...(3) FRA=2...(4) SUI=1...(5) RUS=1.......(20 total; 12 countries) 2002: (1) KEN=6...(2) USA=2...(3) RSA=2...(4) POR=1...(5) SUI=1.......(20 total; 13 countries) 2001: (1) KEN=10...(2) BOT=2...(3) BDI=2...(4) ALG=2...(5) RSA=2.......(27 total; 14 countries) 2000: (1) KEN=10...(2) RSA=3...(3) ALG=2...(4) SUI=1...(5) RUS=1.......(28 total; 16 countries) 1999: (1) KEN=9...(2) USA=3...(3) ALG=2...(4) RSA=2...(5) SUI=1.......(22 total; 10 countries) 1998: (1) KEN=10...(2) ITA=2...(3) RSA=2...(4) SUI=1...(5) USA=1.......(23 total; 12 countries) 1997: (1) KEN=8...(2) USA=4...(3) RSA=2...(4) ITA=1...(5) LAT=1.......(24 total; 13 countries) 1996: (1) KEN=9...(2) USA=4...(3) ITA=2...(4) MAR=2...(5) GER=2.......(31 total; 16 countries) 1995: (1) KEN=9...(2) USA=4...(3) NOR=2...(4) MAR=2...(5) ITA=1.......(22 total; 9 countries) 1994: (1) KEN=7...(2) USA=2...(3) ITA=2...(4) NOR=2...(5) BRA=1.......(18 total; 9 countries) 1993: (1) KEN=8...(2) GBR=2...(3) ITA=2...(4) USA=2...(5) NOR=1.......(20 total; 10 countries) 1992: (1) USA=6...(2) KEN=5...(3) GBR=3...(4) BLR=1...(5) ITA=1.......(17 total; 6 countries) 1991: (1) KEN=6...(2) USA=4...(3) GBR=2...(4) BRA=1...(5) ALG=1.......(14 total; 5 countries) 1990: (1) KEN=5...(2) USA=3...(3) GBR=2...(4) BRA=1...(5) ESP=1.......(15 total; 8 countries) 1989: (1) KEN=5...(2) GBR=2...(3) SOM=1...(4) USA=1...(5) FIN=1.......(14 total; 9 countries) 1988: (1) KEN=5...(2) GBR=4...(3) USA=3...(4) SOM=2...(5) BRA=2.......(24 total; 13 countries) 1987: (1) KEN=3...(2) GBR=2...(3) SEN=2...(4) MAR=2...(5) VEN=1.......(16 total; 11 countries) 1986: (1) GBR=4...(2) USA=3...(3) SEN=2...(4) VEN=1...(5) BRA=1.......(15 total; 9 countries) 1985: (1) USA=4...(2) BRA=3...(3) GBR=2...(4) KEN=2...(5) RUS=1.......(16 total; 9 countries) 1984: (1) USA=6...(2) GBR=4...(3) BRA=3...(4) KEN=3...(5) RUS=2.......(24 total; 11 countries) 1983: (1) GBR=4...(2) USA=4...(3) KEN=3...(4) BRA=2...(5) FRG=2.......(17 total; 7 countries) 1982: (1) GBR=3...(2) AUS=1...(3) USA=1...(4) NED=1...(5) KEN=1.......(8 total; 6 countries) 1981: (1) USA=2...(2) GDR=2...(3) GBR=1...(4) BRA=1...(5) FRG=1.......(8 total; 6 countries) 1980: (1) GBR=1...(2) USA=1...(3) FRG=1...(4) GDR=1.......(4 total; 4 countries) 1979: (1) GBR=2...(2) FRG=2...(3) USA=1...(4) FRA=1...(5) KEN=1.......(7 total; 5 countries) 1978: (1) GBR=2...(2) CUB=1...(3) KEN=1...(4) GDR=1.......(5 total; 4 countries) 1977: (1) GBR=1...(2) USA=1...(3) CUB=1...(4) KEN=1.......(4 total; 4 countries) 1976: (1) USA=1...(2) BEL=1...(3) CUB=1...(4) KEN=1.......(4 total; 4 countries) 1975: (1) USA=2...(2) KEN=1.......(3 total; 2 countries) 1974: (1) KEN=2...(2) NZL=1...(3) USA=1...(4) SRB=1.......(5 total; 4 countries) 1973: (1) ITA=1...(2) USA=1...(3) RSA=1.......(3 total; 3 countries) 1972: (1) USA=1...(2) FIN=1.......(2 total; 2 countries) 1971: (1) RSA=1.......(1 total; 1 country) 1970: (1) USA=1...(2) FRG=1.......(2 total; 2 countries) 1968: (1) AUS=1...(2) KEN=1.......(2 total; 2 countries) 1966: (1) USA=1...(2) FRG=1.......(2 total; 2 countries) 1962: (1) NZL=1.......(1 total; 1 country)