| The following table contains the numeric data used to create the graph |
|
Year
|
Cases
|
|
1998-99
|
955
|
|
1999-00
|
892
|
|
2000-01
|
412
|
|
2001-02
|
211
|
|
2002-03
|
121
|
|
2003-04
|
64
|
|
2004-05
|
42
|
|
2005-06
|
30
|
|
2006-07
|
29
|
|
2007-08
|
29
|
|
2008-09
|
13
|
|
2009-10
|
17
|
|
2010-11
|
24
|
|
2011-12
|
29
|
|
2012-13
|
33
|
|
2013-14
|
27
|
|
2014-15
|
29
|
|
2015-16
|
42
|
|
2016-17
|
37
|
|
2017-18
|
64
|
|
2018-19
|
43
|
|
2019-20
|
27
|
|
2020-21
|
5
|
|
2021-22
|
1
|
Source: Public Health England (now UKHSA) and the Health Protection Agency Archive
