Table 2

Citation volumes for 2147 articles published fall 1998–15 September 2011 (percentages)

No. of citations
01–910–1920–4950–99100–199200+
No. of papers823 (38.3)771 (35.9)246 (11.5)234 (10.9)60 (2.6)11 (0.5)2 (0.09)