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:
Dwight Twilley
Table title:
Discography
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Artist </th><th colspan=1 rowspan=1 > Year </th><th colspan=1 rowspan=1 > Title </th><th colspan=1 rowspan=1 > US </th></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Dwight Twilley Band </td><td class="highlighted"  colspan=1 rowspan=1 > 1975 </td><td class="highlighted"  colspan=1 rowspan=1 > "I'm on Fire" </td><td class="highlighted"  colspan=1 rowspan=1 > 16 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=2 > Dwight Twilley </td><td class="highlighted"  colspan=1 rowspan=2 > 1984 </td><td class="highlighted"  colspan=1 rowspan=1 > "Girls" </td><td class="highlighted"  colspan=1 rowspan=1 > 16 </td></tr>
<tr> <td colspan=1 rowspan=1 > "Little Bit of Love" </td><td colspan=1 rowspan=1 > 77 </td></tr>
</table>
Question:
What two top 20 singles did Dwight Twilley have, and what year did each come out?
Answer:
Dwight Twilley is known for the Top 20 hit singles "I'm on Fire" (1975) and "Girls" (1984).