Dutch nationality law is based primarily on the principle of jus sanguinis and is governed by the Kingdom Act on the Netherlands nationality Dutch: Rijkswet op het Nederlanderschap , which was signed by the monarch on 19 December 1984 and officially promulgated on 27 December 1984.
As the second chart here shows, the share of countries where same-sex sexual acts are considered a criminal offence has gone down from 77% in 1960, to 34% in 2019.
How have divorce rates changed over time? Finding your ancestors in the Netherlands by Rob van Drie.
The median is used, rather than the mean, because the duration of marriage for divorces is not symmetrically distributed.