0
At least 2,905 registered partnerships have been recorded in Finland as follows:
That's a total of 2,905 partnerships minus 501 divorces giving a net total of 2,404.
All divorces are (or can be) "expensive".
4
There actually were a great number of divorces in the 1960's. This number however is still smaller than the number of divorces in the modern day.
According to census data, there were around 560,000 divorces over the course of that month.