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:
List of champions of the African Championships in Athletics
Table title:
Discus throw
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Year </th><th colspan=1 rowspan=1 > Athlete </th><th colspan=1 rowspan=1 > Country </th></tr>
<tr> <td colspan=1 rowspan=1 > 1979 </td><td colspan=1 rowspan=1 > Zoubida Laayouni </td><td colspan=1 rowspan=1 > Morocco </td></tr>
<tr> <td colspan=1 rowspan=1 > 1982 </td><td colspan=1 rowspan=1 > Zoubida Laayouni </td><td colspan=1 rowspan=1 > Morocco </td></tr>
<tr> <td colspan=1 rowspan=1 > 1984 </td><td colspan=1 rowspan=1 > Zoubida Laayouni </td><td colspan=1 rowspan=1 > Morocco </td></tr>
<tr> <td colspan=1 rowspan=1 > 1985 </td><td colspan=1 rowspan=1 > Zoubida Laayouni </td><td colspan=1 rowspan=1 > Morocco </td></tr>
<tr> <td colspan=1 rowspan=1 > 1988 </td><td colspan=1 rowspan=1 > Grace Apiafi </td><td colspan=1 rowspan=1 > Nigeria </td></tr>
<tr> <td colspan=1 rowspan=1 > 1989 </td><td colspan=1 rowspan=1 > Zoubida Laayouni </td><td colspan=1 rowspan=1 > Morocco </td></tr>
<tr> <td colspan=1 rowspan=1 > 1990 </td><td colspan=1 rowspan=1 > Zoubida Laayouni </td><td colspan=1 rowspan=1 > Morocco </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 1992 </td><td class="highlighted"  colspan=1 rowspan=1 > Lizette Etsebeth </td><td class="highlighted"  colspan=1 rowspan=1 > South Africa </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 1993 </td><td class="highlighted"  colspan=1 rowspan=1 > Lizette Etsebeth </td><td class="highlighted"  colspan=1 rowspan=1 > South Africa </td></tr>
<tr> <td colspan=1 rowspan=1 > 1996 </td><td colspan=1 rowspan=1 > Monia Kari </td><td colspan=1 rowspan=1 > Tunisia </td></tr>
<tr> <td colspan=1 rowspan=1 > 1998 </td><td colspan=1 rowspan=1 > Elizna Naudé </td><td colspan=1 rowspan=1 > South Africa </td></tr>
<tr> <td colspan=1 rowspan=1 > 2000 </td><td colspan=1 rowspan=1 > Monia Kari </td><td colspan=1 rowspan=1 > Tunisia </td></tr>
<tr> <td colspan=1 rowspan=1 > 2002 </td><td colspan=1 rowspan=1 > Monia Kari </td><td colspan=1 rowspan=1 > Tunisia </td></tr>
<tr> <td colspan=1 rowspan=1 > 2004 </td><td colspan=1 rowspan=1 > Elizna Naudé </td><td colspan=1 rowspan=1 > South Africa </td></tr>
<tr> <td colspan=1 rowspan=1 > 2006 </td><td colspan=1 rowspan=1 > Elizna Naudé </td><td colspan=1 rowspan=1 > South Africa </td></tr>
<tr> <td colspan=1 rowspan=1 > 2008 </td><td colspan=1 rowspan=1 > Elizna Naudé </td><td colspan=1 rowspan=1 > South Africa </td></tr>
<tr> <td colspan=1 rowspan=1 > 2010 </td><td colspan=1 rowspan=1 > Elizna Naudé </td><td colspan=1 rowspan=1 > South Africa </td></tr>
<tr> <td colspan=1 rowspan=1 > 2012 </td><td colspan=1 rowspan=1 > Chinwe Okoro </td><td colspan=1 rowspan=1 > Nigeria </td></tr>
</table>
Question:
How many times was Lizette Etsebeth a African champion and in which year did she get the titles?
Answer:
Lizette Etsebeth was a two-time African champion, taking back-to-back titles at the African Championships in Athletics in 1992 and 1993.