How to center right-aligned numbers in table column using CSS?

Question

The picture below illustrates what I\'m trying to accomplish:

UPD. As you

Answer 1

Below is not an ideal solution, since the size of the numbers are initially unknown, but it's a little closer without too much additional tags.

CSS:

.numSpan {
    display: inline-block;
    width: 100px;
    text-align: right;
}
td { text-align: center; }

HTML:

    5