Labels:text | screenshot OCR: Expected Versus Actual 100% 90% 19% 99.9999% 99.998% 99.99% 50% 99.95 40% 99.0% 20%% This chart from the 1999 DARTS shows what users expected for availability for their mission-critical appli- cations, versus their actual experience. For example, 11% of the users expected their mission-critical appli- cation to achieve five 9s or better, while in actuality 2% reported to have achieved this level of availability.