Meanings of admittedly short in English

The interval separating us from that date is admittedly short.

I told her how I had come to pass the middle years of my admittedly short life.

For the first time in his admittedly short career, Paul di Resta is nurturing hopes of becoming the leading Brit in his home race.

And yet Anduin knew that in all his admittedly short time in this world, he had never been witness to such integrity under strain.

Why should Bank of Ireland be valued at £53 million less after results, which lived up fully to expectations but were admittedly short on surprises?