First time sitemap... help. I don't know what I'm doing can someone fix this for me and tell me what I did wrong?

<?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns="http://www.groundswellmediaproductions.com/sitemap.xml">

<url>
<loc>http://groundswellmediaproductions.com/</loc>
<lastmod>2006-19-01T00:45:10+00:00</lastmod>
<changefreq>monthly</changefreq>
<priority>1.0</priority>
</url>
<url>
<loc>www.groundswellmediaproductions.com/portfolio.htm</loc>
<lastmod>2006-19-01T00:45:10+00:00</lastmod>
<changefreq>monthly</changefreq>
<priority>0.9</priority>
</url>
<url>
<loc>www.groundswellmediaproductions.com/customers.htm</loc>
<lastmod>2006-19-01T00:45:10+00:00</lastmod>
<changefreq>monthly</changefreq>
<priority>0.8</priority>
</url>
<url>
<loc>www.groundswellmediaproductions.com/services.htm</loc>
<lastmod>2006-19-01T00:45:10+00:00</lastmod>
<changefreq>monthly</changefreq>
<priority>0.7</priority>
</url>
<url>
<loc>www.groundswellmediaproductions.com/prices.htm</loc>
<lastmod>2006-19-01T00:45:10+00:00</lastmod>
<changefreq>monthly</changefreq>
<priority>0.6</priority>
</url>
<url>
<loc>www.groundswellmediaproductions.com/contact.htm</loc>
<lastmod>2006-19-01T00:45:10+00:00</lastmod>
<changefreq>monthly</changefreq>
<priority>0.5</priority>
</url>
<url>
<loc>www.groundswellmediaproductions.com/portfolio.htm</loc>
<lastmod>2006-19-01T00:45:10+00:00</lastmod>
<changefreq>monthly</changefreq>
<priority>0.4</priority>
</url>
</urlset>