Vertaling van "has been slightly decreasing since " (Engels → Frans) :

TERMINOLOGIE

The syndrome has been described in a single Greek Cypriot family, over three generations. There have been no further descriptions in the literature since 1992. Affected individuals have a striking facial appearance (described as Mephistophelian) and
syndrome neuro-musculo-squelettique type chypriote

A movement disorder with manifestation of episodes of involuntary tremor of the chin and lower lip. The disorder has been described in less than 25 families from Europe and the USA, with a slight male preponderance. Onset usually occurs in childhood
géniospasme héréditaire

IN-CONTEXT TRANSLATIONS

A period of slow but continued growth between 1997 and 2001 has been followed by a slight decrease since 2002 (from 1.92% in 2001-2002 to 1.90% in 2004).
Après une période de croissance lente mais continue entre 1997 et 2001, un léger recul est observé depuis 2002 (de 1,92 % en 2001-2002 à 1,90 % en 2004).

After years of growth, primary energy consumption peaked in 2005/2006 (around 1825 Mtoe) and has been slightly decreasing since 2007 (to reach 1730 Mtoe in 2011).
Après des années de hausse, la consommation d'énergie primaire a atteint un pic en 2005-2006 (environ 1825 Mtep); elle baisse légèrement depuis 2007 (1730 Mtep en 2011).

However, the proportion of workers of the same age group reporting stress, depression or anxiety as a work-related health problem has slightly decreased since 2007, from slightly below 11.9 % in 2007 to 11.6 % in 2013 (Eurostat, 2013b).
Cependant, la proportion de travailleurs du même groupe d’âge faisant état de stress, de dépression ou d’anxiété comme problème de santé lié au travail a légèrement diminué par rapport à 2007, passant d’un peu moins de 11,9 % en 2007 à 11,6 % en 2013 (Eurostat, 2013b).

Productivity growth has been decreasing since 2000, although it remained slightly above the average of the new Member States.
Les gains de productivité se ralentissent depuis 2000, même s'ils restent légèrement supérieurs à la moyenne des nouveaux États membres.

It shows that the number of granted patents per year is stagnating and even slightly decreasing since 1995.
Il ressort que le nombre de brevets accordés par an stagne et diminue même légèrement depuis 1995.

This is slightly less than for the cost investigations contained in the Commission's first report on the situation in the shipbuilding market (COM (1999) 474 final) where losses were calculated to be between 13% and 40%, although this slight decrease is likely to be a result of a different selection of investigated orders.
Ces taux sont légèrement inférieurs aux pourcentages cités dans le premier rapport de la Commission sur la situation du marché de la construction navale (COM (1999) 474 final), qui situait ces pertes entre 13% et 40%, mais ce léger tassement s'explique probablement par des différences dans le choix des commandes étudiées.