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August 1, 2025
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Bibliothèque de statistiques globales →Chad →

Scientific and technical journal articles

Cette statistique dans les autres pays:

AfghanistanAlbaniaAlgeriaAndorraAngolaAntigua and BarbudaArab WorldArgentinaArmeniaAustraliaAustriaAzerbaijanBahamas, TheBahrainBangladeshBarbadosBelarusBelgiumBelizeBeninBhutanBoliviaBosnia and HerzegovinaBotswanaBrazilBrunei DarussalamBulgariaBurkina FasoBurundiCabo VerdeCambodiaCameroonCanadaCaribbean small statesCentral African RepublicCentral Europe and the BalticsChadChileChinaColombiaComorosCongo, Dem. Rep.Congo, Rep.Costa RicaCote d'IvoireCroatiaCubaCyprusCzech RepublicDenmarkDjiboutiDominicaDominican RepublicEarly-demographic dividendEast Asia & PacificEast Asia & Pacific (excluding high income)East Asia & Pacific (IDA & IBRD countries)EcuadorEgypt, Arab Rep.El SalvadorEquatorial GuineaEritreaEstoniaEthiopiaEuro areaEurope & Central AsiaEurope & Central Asia (excluding high income)Europe & Central Asia (IDA & IBRD countries)European UnionFijiFinlandFragile and conflict affected situationsFranceGabonGambia, TheGeorgiaGermanyGhanaGreeceGrenadaGuatemalaGuineaGuinea-BissauGuyanaHaitiHeavily indebted poor countries (HIPC)High incomeHondurasHong Kong SAR, ChinaHungaryIBRD onlyIcelandIDA & IBRD totalIDA blendIDA onlyIDA totalIndiaIndonesiaIran, Islamic Rep.IraqIrelandIsraelItalyJamaicaJapanJordanKazakhstanKenyaKiribatiKorea, Dem. People’s Rep.Korea, Rep.KosovoKuwaitKyrgyz RepublicLao PDRLate-demographic dividendLatin America & Caribbean Latin America & Caribbean (excluding high income)Latin America & the Caribbean (IDA & IBRD countries)LatviaLeast developed countries: UN classificationLebanonLesothoLiberiaLibyaLiechtensteinLithuaniaLow & middle incomeLow incomeLower middle incomeLuxembourgMacedonia, FYRMadagascarMalawiMalaysiaMaldivesMaliMaltaMarshall IslandsMauritaniaMauritiusMexicoMicronesia, Fed. Sts.Middle East & North AfricaMiddle East & North Africa (excluding high income)Middle East & North Africa (IDA & IBRD countries)Middle incomeMoldovaMonacoMongoliaMontenegroMoroccoMozambiqueMyanmarNamibiaNauruNepalNetherlandsNew ZealandNicaraguaNigerNigeriaNorth AmericaNorwayOECD membersOmanOther small statesPacific island small statesPakistanPalauPanamaPapua New GuineaParaguayPeruPhilippinesPolandPortugalPost-demographic dividendPre-demographic dividendQatarRomaniaRussian FederationRwandaSamoaSan MarinoSao Tome and PrincipeSaudi ArabiaSenegalSerbiaSeychellesSierra LeoneSingaporeSlovak RepublicSloveniaSmall statesSolomon IslandsSomaliaSouth AfricaSouth AsiaSouth Asia (IDA & IBRD)SpainSri LankaSt. Kitts and NevisSt. LuciaSt. Vincent and the GrenadinesSub-Saharan Africa Sub-Saharan Africa (excluding high income)Sub-Saharan Africa (IDA & IBRD countries)SudanSurinameSwazilandSwedenSwitzerlandSyrian Arab RepublicTajikistanTanzaniaThailandTogoTongaTrinidad and TobagoTunisiaTurkeyTurkmenistanTuvaluUgandaUkraineUnited Arab EmiratesUnited KingdomUnited StatesUpper middle incomeUruguayUzbekistanVanuatuVenezuela, RBVietnamWest Bank and GazaWorldYemen, Rep.ZambiaZimbabwe

La ligne de temps

Cette échelle de temps montre un graphique de 1987 année à 2014 année Chad. Les données jusqu'à 1986 année ne sont pas présentés. Quantité d'observations actuelles selon dates: 28.

Source (désignation):

Les indicateurs du développement mondiale

Source (organisation):

National Science Foundation, Science and Engineering Indicators.

Catégories:

Science & Technology

Dernière mise à jour

23 avr. 2017

Les indicateurs de changement de valeurs selon les années

En moyenne:
4.021
Minimum:
0.0
1 janv. 1988
Maximum:
11.0
1 janv. 2007
Pour la date d''observation
Valeur
Changement absolu
Le changement par rapport à la valeur précédente
1 janv. 1987
1.0
+1.0
0.0%
1 janv. 1988
0.0
-1.0
-100.0%
1 janv. 1989
1.0
+1.0
%
1 janv. 1990
1.0
0.0
0.0%
1 janv. 1991
0.0
-1.0
-100.0%
1 janv. 1992
1.0
+1.0
%
1 janv. 1993
1.0
0.0
0.0%
1 janv. 1994
2.0
+1.0
100.0%
1 janv. 1995
1.0
-1.0
-50.0%
1 janv. 1996
3.2
+2.2
220.0%
1 janv. 1997
1.4
-1.8
-56.25%
1 janv. 1998
1.9
+0.5
35.71%
1 janv. 1999
2.0
+0.1
5.26%
1 janv. 2000
2.8
+0.8
40.0%
1 janv. 2001
1.5
-1.3
-46.43%
1 janv. 2002
2.5
+1.0
66.67%
1 janv. 2003
4.2
+1.7
68.0%
1 janv. 2004
4.7
+0.5
11.9%
1 janv. 2005
10.0
+5.3
112.77%
1 janv. 2006
9.4
-0.6
-6.0%
1 janv. 2007
11.0
+1.6
17.02%
1 janv. 2008
5.5
-5.5
-50.0%
1 janv. 2009
6.8
+1.3
23.64%
1 janv. 2010
9.5
+2.7
39.71%
1 janv. 2011
6.3
-3.2
-33.68%
1 janv. 2012
8.9
+2.6
41.27%
1 janv. 2013
6.0
-2.9
-32.58%
1 janv. 2014
7.0
+1.0
16.67%

Classement des pays selon les statistiques actuelles par années

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