Figure 2 is a graph comparing data from 2001 to 2008 on how respondents to the Survey rated NGC in three areas: 1) satisfaction with NGC; 2) breadth and comprehensiveness of NGC’s guideline collection; and 3) whether NGC’s guideline summaries present all the important attributes of a guideline, when this information is available. Respondents used a likert scale to rate NGC’s performance in each of these three areas with 1 = worst and 5 = best and a mean score was derived. For rating satisfaction with NGC, the mean scores by year were as follows: 4.29 for 2008; 4.31 for 2007; 4.35 for 2006; 4.4 for 2005; 4.42 for 2004; 4.41 for 2003; 4.42 for 2002; and 4.31 for 2001. For the breadth and comprehensiveness of NGC’s guideline collection, the mean scores by year were: 4.1 for 2008; 4.06 for 2007; 4.11 for 2006; 4.17 for 2005; 4.17 for 2004; 4.12 for 2003; 4.13 for 2002; and 4.04 for 2001. For the question on whether NGC’s guideline summaries present all the important attributes of a guideline, when this information is available, the mean scores by year were: 4.24 for 2008; 4.16 for 2007; 4.24 for 2006; 4.28 for 2005; 4.29 for 2004; 4.33 for 2003; 4.36 for 2002; and 4.3 for 2001.