The phrase "a consistent fall in" is correct and usable in written English.
It can be used when discussing a steady or ongoing decrease in a particular metric or value over time.
Example: "There has been a consistent fall in the number of visitors to the museum over the past year."
Alternatives: "a steady decline in" or "a continual decrease in".
Indeed, the PCS union, increasingly concerned that the annual survey has become a way to bypass collective bargaining and ignore inconvenient findings like a consistent fall in pay, asked its 230,000 civil service members to boycott the 2013 survey.
Greater disability from chronic illness (higher WHODAS-II scores) was associated with a consistent fall in all three morale domains.
In women, a consistent fall in neutrophil count at menstruation has been shown [ 12].
There was not a clear relationship with the overall levels of usage of any one particular antibiotic over time, although post-1995 there was a consistent fall in the usage of penicillins, sulphonamides and macrolides.
In this small observational study we demonstrated a consistent fall in cardiac index post extubation in patients with known cardiac ventricular dysfunction when compared with patients with normal hearts.
Between 1997, 2000, 2004, and 2007 there was a consistent fall in the proportion of respondents who had heard of the spatial development initiative (SDI) in the region, intended to boost the economy and support small enterprises.
Overall the divergence between first and multi-term governors seems to grow when allowance rates increase, and shrink when allowance rates decrease.Figure 5 shows that after 2001, in a period of consistent fall in allowance rates the difference between first and multi-term governors seems to have vanished.
Another possibility is that the rapid, consistent fall in a plasma soluble adhesion molecules in both groups after a glucose load reflects increased clearance of these plasma proteins.
Analysts at Deutsche Bank Research called the consistent fall in unemployment "Germany's jobs miracle," which they attributed to a government-backed program to promote short-time work, as well as flexible labor contracts, healthy companies and a sharp rise in exports.
Ofgem said: "We've made it clear that we think energy suppliers should explain more clearly why the consistent fall in wholesale price hasn't fed through to consumer prices".
The progressive aging of the population is the result of profound demographic changes that include both a falling birth rate and a consistent decline in the mortality rates for all causes [ 1- 4].
