| The table below contains the numeric data used to create the graph | 
 
 
| 
 Year 
 | 
 Cases 
 | 
| 
 1996 
 | 
 94 
 | 
| 
 1997 
 | 
 180 
 | 
| 
 1998 
 | 
 119 
 | 
| 
 1999 
 | 
 372 
 | 
| 
 2000 
 | 
 730 
 | 
| 
 2001 
 | 
 784 
 | 
| 
 2002 
 | 
 500 
 | 
| 
 2003 
 | 
 1541 
 | 
| 
 2004 
 | 
 8129 
 | 
| 
 2005 
 | 
 43378 
 | 
| 
 2006 
 | 
 4420 
 | 
| 
 2007 
 | 
 1476 
 | 
| 
 2008 
 | 
 2403 
 | 
| 
 2009 
 | 
 7664 
 | 
| 
 2010 
 | 
 3965 
 | 
| 
 2011 
 | 
 2372 
 | 
| 
 2012 
 | 
 2672 
 | 
| 
 2013 
 | 
 4262 
 | 
| 
 2014 
 | 
 3094 
 | 
| 
 2015 
 | 
 831 
 | 
| 
 2016 
 | 
 575 
 | 
| 
 2017 
 | 
 1840 
 | 
 
 
Source: UK Health Security Agency and Health Protection Agency Archive