A six-year cycle is likely to be typical; however at time of writing this situation is still evolving.

This model continued in use on a six-year cycle until 2011.

Mexico is in the final year of its six-year presidential cycle, a time of when the Government is usually at its weakest.

The six-year cycle of politics since 1966 consistently has signaled trouble for the party.

That brings this unhappy six-year cycle to 1990 and renewed Democratic fears.

As in every six-year political cycle, dark-horse candidates have come up in the endless gossip.

In this role he would have lectured on six works of natural philosophy by Aristotle, one per year in a six-year cycle.

The utility was on a six-year cycle of cutting back tree limbs from power lines, with an annual budget of $6 million or $7 million.

But, he said, "From 1991 to the present, all mechanical components have been replaced on a two-, four- or six-year cycle."

Subsequently the legislation was brought together in the School Inspections Act 1996 that designated it to be a six-year cycle.