Niger [Niger]
- min:
- 4.276
- max:
- 4.851
- avg:
- 4.554
- σ:
- 0.165
| Period | Value |
|---|
| 1980 | 4.787090301513672 |
| 1981 | 4.670051574707031 |
| 1982 | 4.763498783111572 |
| 1983 | 4.851464748382568 |
| 1984 | 4.779604434967041 |
| 1985 | 4.723370552062988 |
| 1986 | 4.776565074920654 |
| 1987 | 4.77437162399292 |
| 1988 | 4.710710048675537 |
| 1989 | 4.662796497344971 |
| 1990 | 4.598635673522949 |
| 1991 | 4.553737640380859 |
| 1992 | 4.5195441246032715 |
| 1993 | 4.529500961303711 |
| 1994 | 4.41444206237793 |
| 1995 | 4.425365447998047 |
| 1996 | 4.348989963531494 |
| 1997 | 4.315778732299805 |
| 1998 | 4.310162544250488 |
| 1999 | 4.276449680328369 |
| 2000 | 4.315778732299805 |
| 2001 | 4.319279670715332 |
| 2002 | 4.328197002410889 |
| 2003 | 4.3325300216674805 |
| 2004 | 4.375450611114502 |
| 2005 | 4.4573187828063965 |
| 2006 | 4.527553081512451 |
| 2007 | 4.689762115478516 |
| 2008 | 4.5970282554626465 |
| 2009 | 4.561976432800293 |
| 2010 | 4.574973106384277 |
| 2011 | 4.624300956726074 |
| 2012 | 4.644025802612305 |
| 2013 | 4.619804859161377 |
| 2014 | 4.583967685699463 |
| 2015 | 4.585086822509766 |