Year*1 Group size*2  Mature female rate*3 SSR*4 Infant survival rate Source Mortality rate*5 Causes of higher mortality  Source
1976 21 0.333 0.429 0.79 [89]      
1977 23 0.348 0.500      
1978 21 0.381 0.125      
1979 19 0.526 0.100      
1980 21 0.43 0.11      
1981 21 0.43 0.11      
1982 19 0.32 0.33      
1983 21 0.29 0.33      
1984 16 0.50 0.13      
1985 18 0.44 0.13      
1986 17 0.41 0.14      
1987 20 0.40 0.13      
1988 20 0.40 0.13      
1989 20 0.40 0.13      
1990 20 0.45 0.11      
1991 20 0.40 0.13      
1992 18 0.44 0.25      
1993 20 0.45 0.22      
1994 18 0.50 0.22      
1995 18 0.44 0.25      
1996 19 0.42 0.25      
1997 20 0.40 0.25      
1998 22 0.36 0.25      
1999 21 0.48 0.30      
2000 20 0.50 0.20      
2001 20 0.55 0.18      
2002 19 0.47 0.22      
2003 15 0.47 0.43 0.263 Ful-like disease [89], [90]
2004 16 0.44 0.43      
2005 12 0.50 0.50      
2006 12 0.50 0.50      
2007 13 0.46 0.50      
2008 13 0.46 0.50          
2009 13 0.46 0.50          
   
*1 The all parameters were estimation for one groups at end of the years.
*2 The number of individuals in unit group 
*3 The number of mature female / group size 
*4 The number of mature male / the number of mature female
*5 The number of individuals mortality in the years / group size in the previous years 
Source: Data includes original variables in these source and calculated variables using these source.
[89]Sugiyama Y. & Fujita S. (2011) The demography and reproductive parameters of Bossou chimpanzees. In: Matsuzawa T., Humle T. & Sugiyama Y. (eds.) The Chimpanzees of Bossou and Nimba. Springer, pp. 23-34
[90] Humle T. (2011) The 2003 epidemic of a Flu-like respiratory disease at Bossou. In: Matsuzawa T., Humle T. & Sugiyama Y. (eds.) The Chimpanzees of Bossou and Nimba. Springer, pp. 325-333