Left table border is shown with different width in exported PDF

Summary

Left table border is shown with different width from the others in the exported PDF.

Steps to Reproduce

1. Create a page with a single table
2. Export the page as PDF

Expected Results

All the table boarders should be shown with the same width.

Actual Results

The left table boarder was shown with different width from the others. (It's thinner than the others.)
Please see TEST-test-140219-0425-27.pdf.

Workaround

Have Confluence change the generated PDF by adding a 'PDF Export Stylesheet'. The one below can be used:

.table-wrap {
    margin: 5px;
}