Other attractions which performed well in 2007 included the Scottish Seabird Centre in North Berwick, which saw an increase in visitor numbers of 26.3%, and StGiles' Cathedral in Edinburgh, which experienced an increase of 21.4%.
On Sunday, regular morning services will be held at StGiles' Cathedral and Greyfriars Tolbooth, and a free public event showcasing the "best of the Church of Scotland" is to start at 1300 BST in Edinburgh's Princes Street Gardens.
But Dr Giles Fraser, canon chancellor of St Paul's Cathedral, said it was "outrageous" to compare "something like fiddling expenses with the way people love each other".
The Rev Dr Giles Fraser - former Canon Chancellor of St Paul's Cathedral and the current parish priest at St Mary's in Newington, south London, said Bishop Welby was "the right man for the job".