Every good sales rep knows you can't just say something – you need to be able to prove it! Every good sales manager knows that your decisions and arguments need to be backed up by cold, hard facts and sales statistics, and not just your intuition.

To help you the next time you're trying to motivate your sales team, report findings to your CEO or lobby for better tools and quoting solutions, here are 31 flavors of sales statistics to back you up. Put them on your sales leaderboard, include them in your reports and keep them in mind when you're planning your next sales initiative.