The available information for the four latest years (2009, 2008, 2007, 2006) can be found in Table 9 of the following links:
http://www.dcsf.gov.uk/rsgateway/DB/SFR/s000852/SFR14_2009_M.xls
http://www.dcsf.gov.uk/rsgateway/DB/SFR/s000794/SEN_NationalTablesFinal.xls
http://www.dcsf.gov.uk/rsgateway/DB/SFR/s000732/sfr20_2007_tables_oh.xls
http://www.dcsf.gov.uk/rsgateway/DB/SFR/s000661/SFR23-2006v2.pdf
The available information for 2005 can be found in Table 18 of the following link
http://www.dcsf.gov.uk/rsgateway/DB/SFR/s000584/AdditionalAnalysesv1.2.xls
Information on type of special educational need is collected only for those pupils with statements of SEN or those at School Action Plus.