Entries and exits
            
            
            
            
              
                
                  | Year | 
                  Entries and exits | 
                  Annual change % | 
                  Interchanges | 
                  Annual change % | 
                
              
              
  
        | 2024 | 
        
443,376         | 
        
17.6 %
         | 
        
         | 
        
         | 
  
  
        | 2023 | 
        
377,132         | 
        
39.3 %
         | 
        
         | 
        
         | 
  
  
        | 2022 | 
        
270,714         | 
        
417.9 %
         | 
        
         | 
        
         | 
  
  
        | 2021 | 
        
52,272         | 
        
-91.5 %
         | 
        
         | 
        
         | 
  
  
        | 2020 | 
        
611,566         | 
        
-10.4 %
         | 
        
         | 
        
         | 
  
  
        | 2019 | 
        
682,228         | 
        
1.8 %
         | 
        
         | 
        
         | 
  
  
        | 2018 | 
        
669,940         | 
        
1.6 %
         | 
        
         | 
        
         | 
  
  
        | 2017 | 
        
659,428         | 
        
4.3 %
         | 
        
         | 
        
         | 
  
  
        | 2016 | 
        
632,234         | 
        
-0.9 %
         | 
        
         | 
        
         | 
  
  
        | 2015 | 
        
637,936         | 
        
2.9 %
         | 
        
         | 
        
         | 
  
  
        | 2014 | 
        
620,032         | 
        
6.4 %
         | 
        
         | 
        
         | 
  
  
        | 2013 | 
        
582,598         | 
        
20.0 %
         | 
        
         | 
        
         | 
  
  
        | 2012 | 
        
485,626         | 
        
7.0 %
         | 
        
         | 
        
         | 
  
  
        | 2011 | 
        
453,868         | 
        
-1.5 %
         | 
        
         | 
        
         | 
  
  
        | 2010 | 
        
460,556         | 
        
-6.9 %
         | 
        
         | 
        
         | 
  
  
        | 2009 | 
        
494,636         | 
        
12.7 %
         | 
        
         | 
        
         | 
  
  
        | 2008 | 
        
438,722         | 
        
13.5 %
         | 
        
         | 
        
         | 
  
  
        | 2007 | 
        
386,629         | 
        
19.4 %
         | 
        
         | 
        
         | 
  
  
        | 2006 | 
        
323,773         | 
        
-8.1 %
         | 
        
         | 
        
         | 
  
  
        | 2005 | 
        
352,146         | 
        
         | 
        
         | 
        
         | 
  
              
            
            Note: Data is for financial years, so 2020 is April 2019 to March 2020