Table 1. Proportion of annual influenza vaccination in hemodialysis patients.

	Influenza vaccine
Year	N	Yes	No	Proportion (%)
1998	264	3	261	1.14
1999	270	16	254	5.93
2000	313	50	263	15.97
2001	315	48	267	15.24
2002	335	80	255	23.88
2003	361	90	271	24.93
2004	363	78	285	21.49
2005	397	89	308	22.42
2006	355	90	265	25.35
2007	368	70	298	19.02
2008	330	85	245	25.76
2009	347	132	215	38.04