Please read the following table in HTML format from a webpage and then answer the question in detail according to the table. Each table cell is defined by a <td> and a </td> tag. Each table row starts with a <tr> and ends with a </tr> tag. 'rowspan=m' and 'colspan=n' represents a cell spaning over 'm' rows and 'n' columns.

Webpage title:
History of football in Scotland
Table title:
League
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Outcome </th><th colspan=1 rowspan=1 > Celtic </th><th colspan=1 rowspan=1 > Rangers </th><th colspan=1 rowspan=1 > Combined </th><th colspan=1 rowspan=1 > % </th></tr>
<tr> <td colspan=1 rowspan=1 > One club 1st, other 2nd </td><td colspan=1 rowspan=1 > 24 (24) </td><td colspan=1 rowspan=1 > 24 (24) </td><td colspan=1 rowspan=1 > 48 </td><td colspan=1 rowspan=1 > 40% </td></tr>
<tr> <td colspan=1 rowspan=1 > One club 1st, other not top 2 </td><td colspan=1 rowspan=1 > 25 </td><td colspan=1 rowspan=1 > 30 </td><td colspan=1 rowspan=1 > 55 </td><td colspan=1 rowspan=1 > 45% </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Title wins by Old Firm club </td><td class="highlighted"  colspan=1 rowspan=1 > 49 </td><td class="highlighted"  colspan=1 rowspan=1 > 54 </td><td class="highlighted"  colspan=1 rowspan=1 > 103 </td><td class="highlighted"  colspan=1 rowspan=1 > 85% </td></tr>
<tr> <td colspan=1 rowspan=1 > One club 2nd, other not top 2 </td><td colspan=1 rowspan=1 > N/A (7) </td><td colspan=1 rowspan=1 > N/A (6) </td><td colspan=1 rowspan=1 > 13 </td><td colspan=1 rowspan=1 > 11% </td></tr>
<tr> <td colspan=1 rowspan=1 > Neither club in top 2 </td><td colspan=1 rowspan=1 > N/A </td><td colspan=1 rowspan=1 > N/A </td><td colspan=1 rowspan=1 > 5 </td><td colspan=1 rowspan=1 > 4% </td></tr>
<tr> <td colspan=1 rowspan=1 > Title wins by another club </td><td colspan=1 rowspan=1 > N/A </td><td colspan=1 rowspan=1 > N/A </td><td colspan=1 rowspan=1 > 18 </td><td colspan=1 rowspan=1 > 15% </td></tr>
<tr> <th colspan=1 rowspan=1 > Totals </th><th colspan=1 rowspan=1 > 49 (31) </th><th colspan=1 rowspan=1 > 54 (30) </th><th class="highlighted"  colspan=1 rowspan=1 > 121 </th><th colspan=1 rowspan=1 > 100% </th></tr>
</table>
Question:
How many championship titles have Old Firm clubs won?
Answer:
Of the 121 championships played, 103 (85%) have been won by Old Firm with Rangers ahead on 54 titles to Celtic's 49.