A smaller inflow is from the north, through Pirtinvirta in Varkaus.
Given this evaporation rate and the smaller inflows into the sea, the level is continuing to drop at a rate of about 0.5 m a year.
Building societies also reported a small inflow of depositors' funds during February.
During the first half of the 1960s, this account generally showed small net inflows of capital (as did the short-term capital account).
The net result was a small net inflow of just $5 million into equity funds in the month, down from $583 million in September.
Fidelity Investments also reported money flowing out of bond funds, but some other groups said they had small inflows.
The fund has had steady but small net inflows over the last six months.
But even those small inflows would be a dramatic decline from the $19.3 billion that flowed into equity funds in July.
But Fidelity Investments, the largest mutual fund group, reported that all of its bond funds showed small net inflows so far this month.
In fact, there has been a small net inflow - $100 million through last Wednesday - into mutual funds that invest in the Treasury market.