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 military occupations
Table title:
Contemporary occupations
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 >  </th><th colspan=1 rowspan=1 > Territory </th><th colspan=1 rowspan=1 > Since </th><th colspan=1 rowspan=1 > Occupied state/territory </th><th colspan=1 rowspan=1 > Occupying state </th><th colspan=1 rowspan=1 > Declared state/territory </th><th colspan=1 rowspan=1 > Status </th></tr>
<tr> <td colspan=1 rowspan=4 >  </td><td colspan=1 rowspan=1 > East Jerusalem </td><td class="highlighted"  colspan=1 rowspan=4 > 1967 </td><td colspan=1 rowspan=3 > Palestinian territories; Palestine (since 1988 declaration) </td><td class="highlighted"  colspan=1 rowspan=4 > Israel </td><td colspan=1 rowspan=1 > Israel part of Jerusalem District (effectively annexed in 1980) </td><td colspan=1 rowspan=1 > Occupation by a foreign power with illegal annexation </td></tr>
<tr> <td colspan=1 rowspan=1 > West Bank </td><td colspan=1 rowspan=2 > N/A </td><td colspan=1 rowspan=1 > Occupation by a foreign power </td></tr>
<tr> <td colspan=1 rowspan=1 > Gaza Strip </td><td colspan=1 rowspan=1 > Occupation by a foreign power </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Golan Heights </td><td class="highlighted"  colspan=1 rowspan=1 > Syria </td><td colspan=1 rowspan=1 > Israel part of Northern District (effectively annexed in 1981) </td><td colspan=1 rowspan=1 > Occupation by a foreign power with illegal annexation Recognized by the United States as part of Israel. </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Northern Cyprus </td><td colspan=1 rowspan=1 > 1974 </td><td colspan=1 rowspan=1 > Cyprus </td><td colspan=1 rowspan=1 > Turkey </td><td colspan=1 rowspan=1 > Northern Cyprus </td><td colspan=1 rowspan=1 > Occupation by an armed group under the influence of a foreign power </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Majority of Western Sahara </td><td colspan=1 rowspan=1 > 1975 </td><td colspan=1 rowspan=1 > Sahrawi Arab Democratic Republic (declared in 1976) </td><td colspan=1 rowspan=1 > Morocco </td><td colspan=1 rowspan=1 > Morocco Southern Provinces since the 1991 ceasefire </td><td colspan=1 rowspan=1 > Occupation by a foreign power with illegal annexation </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Transnistria </td><td colspan=1 rowspan=1 > 1992 </td><td colspan=1 rowspan=1 > Moldova </td><td colspan=1 rowspan=1 > Russia </td><td colspan=1 rowspan=1 > Transnistria </td><td colspan=1 rowspan=1 > Occupation by an armed group under the influence of a foreign power </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Nagorno-Karabakh (and surrounding territories) </td><td colspan=1 rowspan=1 > 1994 </td><td colspan=1 rowspan=1 > Azerbaijan </td><td colspan=1 rowspan=1 > Armenia </td><td colspan=1 rowspan=1 > Artsakh </td><td colspan=1 rowspan=1 > Occupation by an armed group under the influence of a foreign power </td></tr>
<tr> <td colspan=1 rowspan=5 >  </td><td colspan=1 rowspan=1 > Abkhazia </td><td colspan=1 rowspan=2 > 2008 </td><td colspan=1 rowspan=2 > Georgia </td><td colspan=1 rowspan=5 > Russia </td><td colspan=1 rowspan=1 > Abkhazia </td><td colspan=1 rowspan=2 > Occupation by an armed group under the influence of a foreign power </td></tr>
<tr> <td colspan=1 rowspan=1 > South Ossetia </td><td colspan=1 rowspan=1 > South Ossetia </td></tr>
<tr> <td colspan=1 rowspan=1 > Parts of Donetsk Oblast </td><td colspan=1 rowspan=3 > 2014 </td><td colspan=1 rowspan=3 > Ukraine </td><td colspan=1 rowspan=1 > Donetsk People's Republic </td><td colspan=1 rowspan=2 > Occupation by an armed group under the influence of a foreign power </td></tr>
<tr> <td colspan=1 rowspan=1 > Parts of Luhansk Oblast </td><td colspan=1 rowspan=1 > Lugansk People's Republic </td></tr>
<tr> <td colspan=1 rowspan=1 > Crimea </td><td colspan=1 rowspan=1 > Republic of Crimea Sevastopol Federal City (both annexed by Russia) </td><td colspan=1 rowspan=1 > Occupation by a foreign power with illegal annexation </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Northern parts of Aleppo Governorate </td><td colspan=1 rowspan=1 > 2016 </td><td colspan=1 rowspan=1 > Syria </td><td colspan=1 rowspan=1 > Turkey </td><td colspan=1 rowspan=1 > N/A </td><td colspan=1 rowspan=1 > Occupation by a foreign power </td></tr>
</table>
Question:
Since when has Israel occupied the Syrian Golan Heights territory ?
Answer:
"The Syrian Golan Heights territory, which Israel has occupied since 1967".