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:
Norway Airlines
Table title:
Fleet
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Model </th><th colspan=1 rowspan=1 > Period </th><th colspan=1 rowspan=1 > Quantity </th></tr>
<tr> <th class="highlighted"  colspan=1 rowspan=1 > Boeing 737-300 </th><td class="highlighted"  colspan=1 rowspan=1 > 1988–1992 </td><td class="highlighted"  colspan=1 rowspan=1 > 2 </td></tr>
<tr> <th class="highlighted"  colspan=1 rowspan=1 > McDonnell Douglas MD-83 </th><td colspan=1 rowspan=1 > 1992 </td><td class="highlighted"  colspan=1 rowspan=1 > 1 </td></tr>
<tr> <th class="highlighted"  colspan=1 rowspan=1 > McDonnell Douglas MD-87 </th><td colspan=1 rowspan=1 > 1992 </td><td class="highlighted"  colspan=1 rowspan=1 > 1 </td></tr>
</table>
Question:
Which planes did Norway Airlines operate between 1988-1992?
Answer:
Norway Airlines operated two Boeing 737-300 aircraft from 1988 to 1992, after which it operated two McDonnell Douglas MD aircraft, one MD-83 and one MD-87.