Would You Employ an Accountant Who Couldn’t Add Up?
There is no excuse and mistakes like this by governments of all colours and competences are woven into the rich tapestry of history. Years ago, a colleague left to work for the Department of Trade and calculate the trade statistics. A few years later there was a serious mistake. I don’t think it was his fault, but because he worked there, we spotted it and had a bit of fun at his expense.
Whoever said, that there are lies, “damned lies and statistics” was right. Latest thinking says it was Charles Wentworth Dilke and not Mark Twain or Benjamin Disraeli. Although the phrase should probably be “lies, damned lies and government statistics”