Historical corporation tax receipts data can be found at: http://www.hmrc.gov.uk/stats/tax_receipts/menu.htm. Data on total net taxes and national insurance contributions are published in table C1 of the Public Finances Databank which can be found at:
http://www.hm-treasury.gov.uk/economic_data_and_tools/finance_spending_statistics/pubsec_finance/psf_databank.cfm.