1. Top 20 Out of Home Advertisers 2004-2014

2. Top 20 Out of Home Advertisers, Feb ‘14 - Jan ‘15 Total Year Expenditure: £1bn. Source: NMR and Outsmart

3. Top 20 Out of Home Advertisers, Jan - Dec 2014 Total Year Expenditure: £1bn. Source: NMR and Outsmart

4. Top 20 Out of Home Advertisers, Jan - Dec 2013 Total Year Expenditure: £990m Source: NMR and Outsmart

5. Top 20 Out of Home Advertisers, Jan-Dec 2012 Total Year Expenditure: £970.1m Source: NMR and Outsmart

6. Top 20 Out of Home Advertisers, Jan-Dec 2011 Total Year Expenditure: £697.6m Source: NMR and Outsmart

7. Top 20 Out of Home Advertisers, Jan-Dec 2010 Total Year Expenditure: £879.8m Source: NMR and Outsmart

8. Top 20 Out of Home Advertisers, Jan-Dec 2009 Total Year Expenditure: £782.1m Source: NMR and Outsmart

9. Top 20 Out of Home Advertisers, Jan-Dec 2008 Total Year Expenditure: £938.7m Source: NMR and Outsmart

10. Top 20 Out of Home Advertisers, Jan-Dec 2007 Total Year Expenditure: £975.7m Source: NMR and Outsmart

11. Top 20 Out of Home Advertisers, Jan-Dec 2006 Total Year Expenditure: £932.5m Source Nielsen and Outsmart

12. Top 20 Out of Home Advertisers, Jan-Dec 2005 Total Year Expenditure: £896.8m Source: Nielsen and Outsmart

13. Top 20 Out of Home Advertisers, Jan-Dec 2004 Total Year Expenditure: £847.8m Source: Nielsen and Outsmart