Table 3.

Ratio of the Growth and Decline Phases of Influenza Like Illness Outbreaks

Excess Deaths (Influenza Like Illness) 1999–2015
	Length of Decline Compared to Growth
Winter	All Years	Single Peak Years
1999–2000	1.27	1.27
2000–2001	3.33	–
2001–2002	2.75	–
2002–2003	3.4	–
2003–2004	0.85	–
2004–2005	2.4	–
2005–2006	2.22	–
2007–2008	2	–
2008–2009	1.83	1.83
2009–2010	1.84	1.84
2010–2011	2.3	2.3
2011–2012	3.67	–
2012–2013	3	–
2013–2014	1.67	–
2014–2015	2.64	2.64
Average k	2.34	1.98