The median annual contract value (ACV) was $25K, $21K, $21K, $20K in 2016, 2015, 2014 and 2013

The median average contract length is 1.3 years. The median billing term is seven months in advance. These results are very comparable to 2015, with average contract length shortening from 1.5 to 1.3 years and average billing period increasing one month over 2015 to seven months.