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 Draughts Panamerican Championship winners
Table title:
Results
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Year </th><th colspan=1 rowspan=1 > Place </th><td colspan=1 rowspan=1 > Winner </td></tr>
<tr> <td colspan=1 rowspan=1 > 1980 </td><td colspan=1 rowspan=1 > Paramaribo, Suriname </td><td colspan=1 rowspan=1 > Haiti Bernard Robillard </td></tr>
<tr> <td colspan=1 rowspan=1 > 1981 </td><td colspan=1 rowspan=1 > Port-au-Prince, Haiti </td><td colspan=1 rowspan=1 > United States Vladimir Kaplan </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 1983 </td><td colspan=1 rowspan=1 > Philadelphia, United States </td><td class="highlighted"  colspan=1 rowspan=1 > United States Iser Kuperman </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 1985 </td><td colspan=1 rowspan=1 > Ituiutaba, Brazil </td><td class="highlighted"  colspan=1 rowspan=1 > United States Iser Kuperman </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 1987 </td><td colspan=1 rowspan=1 > Amparo, Brazil </td><td class="highlighted"  colspan=1 rowspan=1 > United States Iser Kuperman </td></tr>
<tr> <td colspan=1 rowspan=1 > 1992 </td><td colspan=1 rowspan=1 > Willemstad, Curaçao </td><td colspan=1 rowspan=1 > United States Alexander Mogiljansky </td></tr>
<tr> <td colspan=1 rowspan=1 > 1993 </td><td colspan=1 rowspan=1 > Goiânia, Brazil </td><td colspan=1 rowspan=1 > Suriname Guno Burleson </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 1995 </td><td colspan=1 rowspan=1 > Águas de Lindóia, Brazil </td><td class="highlighted"  colspan=1 rowspan=1 > United States Iser Kuperman </td></tr>
<tr> <td colspan=1 rowspan=1 > 1997 </td><td colspan=1 rowspan=1 > Paramaribo, Suriname </td><td colspan=1 rowspan=1 > Suriname Guno Burleson </td></tr>
<tr> <td colspan=1 rowspan=1 > 1999 </td><td colspan=1 rowspan=1 > Willemstad, Curaçao </td><td colspan=1 rowspan=1 > Curaçao Johan Koster </td></tr>
<tr> <td colspan=1 rowspan=1 > 2002 </td><td colspan=1 rowspan=1 > St. Andrew, Grenada </td><td colspan=1 rowspan=1 > United States Vladimir Veytsman </td></tr>
<tr> <td colspan=1 rowspan=1 > 2003 </td><td colspan=1 rowspan=1 > Cap-Haïtien, Haiti </td><td colspan=1 rowspan=1 > Haiti Anthony Alexandre </td></tr>
<tr> <td colspan=1 rowspan=1 > 2005 </td><td colspan=1 rowspan=1 > Montréal, Canada </td><td colspan=1 rowspan=1 > United States Alexander Mogiljansky </td></tr>
<tr> <td colspan=1 rowspan=1 > 2007 </td><td colspan=1 rowspan=1 > Sao Paulo, Brazil </td><td colspan=1 rowspan=1 > Haiti Ricardo Pierre </td></tr>
<tr> <td colspan=1 rowspan=1 > 2009 </td><td colspan=1 rowspan=1 > Sao Caetano do Sul, Brazil </td><td colspan=1 rowspan=1 > Haiti Ricardo Pierre </td></tr>
<tr> <td colspan=1 rowspan=1 > 2011 </td><td colspan=1 rowspan=1 > Willemstad, Curaçao </td><td colspan=1 rowspan=1 > Brazil Allan Silva </td></tr>
<tr> <td colspan=1 rowspan=1 > 2013 </td><td colspan=1 rowspan=1 > Port of Spain, Trinidad and Tobago </td><td colspan=1 rowspan=1 > Brazil Allan Silva </td></tr>
<tr> <td colspan=1 rowspan=1 > 2015 </td><td colspan=1 rowspan=1 > São Sebastião, Brazil </td><td colspan=1 rowspan=1 > Brazil Allan Silva </td></tr>
<tr> <td colspan=1 rowspan=1 > 2016 </td><td colspan=1 rowspan=1 > Águas de Lindóia, Brazil </td><td colspan=1 rowspan=1 > Brazil Allan Silva </td></tr>
<tr> <td colspan=1 rowspan=1 > 2018 </td><td colspan=1 rowspan=1 > Willemstad, Curaçao </td><td colspan=1 rowspan=1 > Suriname Guno Burleson </td></tr>
</table>
Question:
In which years did Iser Kuperman become a Panamerican champion?
Answer:
Iser Kuperman became a Panamerican champion in 1983, 1985, 1987 and 1995.