Culture du niébé - Rendement par région
					Unité : kg / hectare
		1990	1991	1992	1993	1994
Ensemble Niger		83.4	172.7	103.2	49.6	129.0
Agadez		-	-	-	-	-
Diffa		537.7	385.2	287.0	162.8	482.2
Dosso		60.9	219.0	124.6	21.7	99.1
Maradi		80.6	188.1	37.0	17.5	91.7
Niamey		-	-	0.0	153.8	0.0
Tahoua		16.3	94.3	127.4	28.7	152.0
Tillabéri		36.6	172.3	264.9	75.1	83.3
Zinder		117.1	168.2	75.7	110.3	154.9
		1995	1996	1997	1998	1999	2000
Ensemble Niger		53.5	97.3	59.3	208.2	110.7	68.3
Agadez		-	-	-	-	1 424.2	-
Diffa		137.3	252.1	83.8	177.1	94.1	51.0
Dosso		34.5	85.6	103.4	157.6	103.9	51.0
Maradi		48.1	67.3	39.6	188.3	99.0	93.0
Niamey		9.4	43.1	13.0	179.3	45.8	33.0
Tahoua		28.6	178.7	79.9	240.9	140.8	53.0
Tillabéri		53.9	101.1	33.0	156.2	55.1	21.0
Zinder		85.4	78.3	48.0	25.3	131.6	89.0
		2001	2002	2003	2004	2005	2006
Ensemble Niger		145.0	159.2	133.8	124.7	169.1	167.6
Agadez		-	387.0	-	-	-	-
Diffa		97.6	33.0	92.0	69.2	109.8	107.4
Dosso		191.8	163.9	156.0	120.4	144.0	144.4
Maradi		98.7	152.7	112.6	104.1	164.2	164.4
Niamey		75.2	122.0	123.3	185.6	172.0	187.8
Tahoua		181.4	157.2	150.2	120.3	238.1	237.7
Tillabéri		155.3	152.4	123.3	115.3	144.0	144.3
Zinder		123.3	168.3	134.0	152.7	150.4	150.4
Source : Direction des Cultures Vivrières