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:
Jerzy Pietrzak
Table title:
Olympic results
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Event </th><th class="highlighted"  colspan=1 rowspan=1 > 1988 </th><th class="highlighted"  colspan=1 rowspan=1 > 1992 </th><th class="highlighted"  colspan=1 rowspan=1 > 1996 </th><th class="highlighted"  colspan=1 rowspan=1 > 2000 </th></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 10 metre air pistol (men) </td><td colspan=1 rowspan=1 > 7th </td><td colspan=1 rowspan=1 > 6th </td><td colspan=1 rowspan=1 > 5th </td><td colspan=1 rowspan=1 > T-11th </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 50 metre pistol (men) </td><td colspan=1 rowspan=1 > T-14th </td><td colspan=1 rowspan=1 > 9th </td><td colspan=1 rowspan=1 > T-9th </td><td colspan=1 rowspan=1 > T-9th </td></tr>
</table>
Question:
In what years did Jerzy Pietrzak compete in the pistol shooting events?
Answer:
Jerzy Pietrzak competed in the pistol shooting events at the Olympics in 1988, 1992, 1996, and 2000.