CROP – English language Health and Social Services Access in Québec Published: May 30, 2023 Download Documents CROP – English language Health and Social Services Access in Québec The CHSSN conducts major longitudinal surveys of the English-population in selected regions of Quebec. This survey has been conducted by CROP in 2005, 2010, 2015 and 2019, and the CHSSN conducted a new wave in 2023.