The rate of advance peaked in the 1980s, after which it slowed down until about 1990.

The rate of depression among dads peaked three to six months after birth, the study showed.

The rig-activity rate peaked at an average of 3,970 in 1981.

The rate had peaked at 84.7 percent in January 1989.

But long-term rates peaked in April when the economy was still positive.

Without a deal, he said, the rate will probably peak at about 7 percent, with 140,000 additional jobs lost.

Economists think it is now likely that the jobless rate will peak at about 9pc next year, with almost 3m out of work.

"But the markets seem to be looking at it with the hope that German rates have peaked and will now trend down."

The rate of human population growth peaked in 1964, at about 2.1% per year.

In 1988 violent crime was still down 16 percent from 1981, when the rate peaked.