However currently , there are only 23 listed clubs in Europe as many listed clubs , especially the ones in UK , were de-listed .
The peak number of listed clubs was reached in between 1999 and 2003 ( Aglietta et al. 2010 ) .
Currently , there are only 23 listed clubs in Europe as many listed clubs , especially the ones in UK , were de-listed .
The peak number of listed clubs was reached in between 1999 and 2003 ( Aglietta et al. 2010 ) .