title: Count number of rows (Total / according to value) in table / * ngFor
body: <p>Can anyone tell me how I can get the total value of the rows in this table, additionally I want the value of the rows that meet the truth or false condition of the column estate.</p>
  
  <p><strong><a href="https://stackblitz.com/edit/angular-g9twrl?embed=1&amp;file=app/app.component.html" rel="nofollow noreferrer">https://stackblitz.com/edit/angular-g9twrl?embed=1&amp;file=app/app.component.html</a></strong></p>
  
  <p><a href="https://i.stack.imgur.com/pjAYW.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/pjAYW.png" alt="enter image description here"></a></p>