Sadly, us peasant class folk don't acrue many. It would probably take me about 10 years to amass that lot... assuming I live that long. lol
I've already spent the 50 quid voucher Etihad sent me.
I'm sure I've mentioned this before, but get an Emirates credit card. You get 2 miles for every pound spent (4 if spent on flights), plus a 10,000 mile bonus if you spend £2K in the first 3 months. Before long you'll find yourself not so peasant like