What is the precentage rate of conceving a child after vasectomy reversal of 15yers?

Please find below a credible link to vasectomy reversal success rates. It has a chart with years and percentages. It says for a vasectomy that is 15 years or more old, return of sperm is seen in 71% and you have a 30% rate of pg. We got pg after reversal, but our vasectomy was less than a year old. GL.