In 1998, 29% of guilty cases were sentenced to custody--that's either opened or closed custody--and that declined, up until the introduction of the YCJA, down to approximately 22%. For the first year of the YCJA, it was 22%--2003-04--and it's now 15%.
Evidence of meeting #53 for Justice and Human Rights in the 40th Parliament, 3rd Session. (The original version is on Parliament’s site, as are the minutes.) The winning word was data.
A recording is available from Parliament.