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:
Dáil Éireann
Table title:
Number of members
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Dáil </th><th colspan=1 rowspan=1 > Election </th><th colspan=1 rowspan=1 > TDs </th></tr>
<tr> <td colspan=1 rowspan=1 > 1st </td><td colspan=1 rowspan=1 > 1918 </td><td colspan=1 rowspan=1 > 105 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2nd </td><td colspan=1 rowspan=1 > 1921 </td><td colspan=1 rowspan=1 > 180 </td></tr>
<tr> <td colspan=1 rowspan=1 > 3rd </td><td colspan=1 rowspan=1 > 1922 </td><td colspan=1 rowspan=1 > 128 </td></tr>
<tr> <td colspan=1 rowspan=1 > 4th </td><td colspan=1 rowspan=1 > 1923 </td><td colspan=1 rowspan=1 > 153 </td></tr>
<tr> <td colspan=1 rowspan=1 > 5th </td><td colspan=1 rowspan=1 > Jun. 1927 </td><td colspan=1 rowspan=1 > 153 </td></tr>
<tr> <td colspan=1 rowspan=1 > 6th </td><td colspan=1 rowspan=1 > Sep. 1927 </td><td colspan=1 rowspan=1 > 153 </td></tr>
<tr> <td colspan=1 rowspan=1 > 7th </td><td colspan=1 rowspan=1 > 1932 </td><td colspan=1 rowspan=1 > 153 </td></tr>
<tr> <td colspan=1 rowspan=1 > 8th </td><td colspan=1 rowspan=1 > 1933 </td><td class="highlighted"  colspan=1 rowspan=1 > 153 </td></tr>
<tr> <td colspan=1 rowspan=1 > 9th </td><td class="highlighted"  colspan=1 rowspan=1 > 1937 </td><td class="highlighted"  colspan=1 rowspan=1 > 138 </td></tr>
<tr> <td colspan=1 rowspan=1 > 10th </td><td colspan=1 rowspan=1 > 1938 </td><td colspan=1 rowspan=1 > 138 </td></tr>
<tr> <td colspan=1 rowspan=1 > 11th </td><td colspan=1 rowspan=1 > 1943 </td><td colspan=1 rowspan=1 > 138 </td></tr>
<tr> <td colspan=1 rowspan=1 > 12th </td><td colspan=1 rowspan=1 > 1944 </td><td colspan=1 rowspan=1 > 138 </td></tr>
<tr> <td colspan=1 rowspan=1 > 13th </td><td colspan=1 rowspan=1 > 1948 </td><td colspan=1 rowspan=1 > 147 </td></tr>
<tr> <td colspan=1 rowspan=1 > 14th </td><td colspan=1 rowspan=1 > 1951 </td><td colspan=1 rowspan=1 > 147 </td></tr>
<tr> <td colspan=1 rowspan=1 > 15th </td><td colspan=1 rowspan=1 > 1954 </td><td colspan=1 rowspan=1 > 147 </td></tr>
<tr> <td colspan=1 rowspan=1 > 16th </td><td colspan=1 rowspan=1 > 1957 </td><td colspan=1 rowspan=1 > 147 </td></tr>
<tr> <td colspan=1 rowspan=1 > 17th </td><td class="highlighted"  colspan=1 rowspan=1 > 1961 </td><td class="highlighted"  colspan=1 rowspan=1 > 144 </td></tr>
<tr> <td colspan=1 rowspan=1 > 18th </td><td colspan=1 rowspan=1 > 1965 </td><td colspan=1 rowspan=1 > 144 </td></tr>
<tr> <td colspan=1 rowspan=1 > 19th </td><td colspan=1 rowspan=1 > 1969 </td><td colspan=1 rowspan=1 > 144 </td></tr>
<tr> <td colspan=1 rowspan=1 > 20th </td><td colspan=1 rowspan=1 > 1973 </td><td colspan=1 rowspan=1 > 144 </td></tr>
<tr> <td colspan=1 rowspan=1 > 21st </td><td class="highlighted"  colspan=1 rowspan=1 > 1977 </td><td class="highlighted"  colspan=1 rowspan=1 > 148 </td></tr>
<tr> <td colspan=1 rowspan=1 > 22nd </td><td class="highlighted"  colspan=1 rowspan=1 > 1981 </td><td class="highlighted"  colspan=1 rowspan=1 > 166 </td></tr>
<tr> <td colspan=1 rowspan=1 > 23rd </td><td colspan=1 rowspan=1 > Feb. 1982 </td><td colspan=1 rowspan=1 > 166 </td></tr>
<tr> <td colspan=1 rowspan=1 > 24th </td><td colspan=1 rowspan=1 > Nov. 1982 </td><td colspan=1 rowspan=1 > 166 </td></tr>
<tr> <td colspan=1 rowspan=1 > 25th </td><td colspan=1 rowspan=1 > 1987 </td><td colspan=1 rowspan=1 > 166 </td></tr>
<tr> <td colspan=1 rowspan=1 > 26th </td><td colspan=1 rowspan=1 > 1989 </td><td colspan=1 rowspan=1 > 166 </td></tr>
<tr> <td colspan=1 rowspan=1 > 27th </td><td colspan=1 rowspan=1 > 1992 </td><td colspan=1 rowspan=1 > 166 </td></tr>
<tr> <td colspan=1 rowspan=1 > 28th </td><td colspan=1 rowspan=1 > 1997 </td><td colspan=1 rowspan=1 > 166 </td></tr>
<tr> <td colspan=1 rowspan=1 > 29th </td><td colspan=1 rowspan=1 > 2002 </td><td colspan=1 rowspan=1 > 166 </td></tr>
<tr> <td colspan=1 rowspan=1 > 30th </td><td colspan=1 rowspan=1 > 2007 </td><td colspan=1 rowspan=1 > 166 </td></tr>
<tr> <td colspan=1 rowspan=1 > 31st </td><td colspan=1 rowspan=1 > 2011 </td><td colspan=1 rowspan=1 > 166 </td></tr>
<tr> <td colspan=1 rowspan=1 > 32nd </td><td colspan=1 rowspan=1 > 2016 </td><td colspan=1 rowspan=1 > 158 </td></tr>
<tr> <td colspan=1 rowspan=1 > 33rd </td><td colspan=1 rowspan=1 > Next </td><td colspan=1 rowspan=1 > 160 </td></tr>
</table>
Question:
What years the did total membership of the Dáil decrease compared to the previous election?What years the did total membership of the Dáil decrease compared to the previous election?
Answer:
The membership of the Dáil shrank in the 1922, 1937, 1961, 1981, and 2016 elections.