Complex sentence: The first list of SVHCs was published on 28 October 2008 and the list has been updated many times to include new candidates till the last update on 20 June 2016 to include a total 169 SVHC.
Split into simpler sentences: The first list of SVHCs was published on 28 October 2008 and the list has been updated many times to include new candidates. The most recent update occurred on 20 June 2016 to include a total 169 SVHC.