The 7.65 per cent rate usually starts for the first €8,000 and can increase steeply from then on.
The rate of naturalizations has also steeply increased since 2007.
The weight of a crocodile will increase steeply as length increases.
The number of single black women bearing children has increased steeply, rising to 415,213 in 1996, from 215,100 in 1970.
The risk of lung cancer, like all other cancers, increases steeply with advancing age.
Prior to the Nigerian civil war, the country was self-sufficient in food, but increased steeply after 1973.
However, it increased steeply over the years 2008-2011.
The EU's consumption of natural gas is also increasing steeply.
Recall that Copan's population was increasing steeply while the hills were being occupied.
China faces rising inflation and signs that speculative investments have increased steeply in the last few weeks.