We've used the solution, more or less, for six months.

Our organization has been using Bacula Enterprise since 2016. Previously, we used the open-source version of the tool.

We have been using this solution for about two years now. 

I've used the solution for ten years.

I have been using Barracuda Backup for more than 12 years.

I began working with Bacula Enterprise about five years ago.

I have been using Bacula Enterprise for six years, with the last 12 months being the most recent.

I am working with version 12.