But, the officials conceded, that with the vast expansion in the last 18 months, the rate has deteriorated.
On the contrary, the center is in the midst of vast expansion.
We have had a vast expansion of the power of intelligence agencies.
The late 1980's marked a vast expansion of Houston's cultural life just as its economic boom was ending.
What began as a small facility underwent vast expansion in the past five years.
But even with this vast expansion, there is reason to question that the programs would have a great impact.
The Stalin era brought with it a vast expansion of those powers.
The other major effect of industrialisation was the vast expansion in housing stock.
Court cases that he argued have paved the way for a vast expansion of banks into new and different businesses.
Human speech is a vast qualitative expansion over animal communication systems.