Yours seems to be like an situation impotence rather than a generalized one. Are you under Anxiety or stress to perform? Is there any underlying issues between your wife and you? You semen analysis is incomplete you have only mentioned the count which is absolutely fine, what about the motility and other parameter do they fall under the reference range? Please just relax and seek an online consultation with a certified competent sexologist who can help treat, advice and guide you. There as many good treatment options available today for your sexual health concern. All the best.

Situational ef is common in recently wed couple. If u r unable to perform since marriage, then it a case of unconsummated marriage. If u had performed normally, & the problem is of timing,  do not worry, it will be ok after some time. If problem persist consult a sexologist either online or personally.