The Guardian swapped format on September 12, meaning it has yet to experience a full month of sales in its Berliner format, but the paper is still down 2.53% for the period April to September 2005 compared to April to September 2004.
The sixth month decline is the biggest by far of any of the quality daily newspapers.
On its first day of Berliner publication, The Guardian enjoyed a 40% rise in sales as newspaper buyers tried the new-look paper out.
Interestingly for The Guardian, the sales boost did not hit rival The Independent. It still managed to put on almost 7,000 copies, rising 2.6% to 262,552.
The Times likewise increased sales, recording a 2.8% rise to 699,425, while The Daily Telegraph, which rejigged its sports and business sections this week, underwent a circulation fall of 0.04%.
However, apart from the Financial Times, the rest of the broadsheets experienced a decline. The Scotsman suffered the heaviest drop in sales -- falling 7% from 71,998 to 67,027. However, the FT's circulation was up nearly 6% to 438,538.
The daily tabloid market suffered losses across the board. In the mid-market, the Daily Mail dropped 0.47% to 2,373,756. There was worse news for rival the Daily Express, which was hit hard. Its monthly circulation fell 5.16% to 831,373.
The Sun dropped 1.82% to 3,300,208 and The Daily Star's circulation fell 4.41% to 854,184. The Daily Mirror experienced a smaller fall, it was down 1.58% to 1,741,740.
In the Sunday market, there were mixed fortunes. The Daily Star Sunday's circulation plummeted nearly 6%, the News of The World was up 0.27% to 3,769,636 and Scotland on Sunday fell 4.83%.
The Sunday Mirror was down 1.63% to 1,533,008, while sister title The People fell 3.28% to 914,734.
The Sunday Express performed the worst. Its circulation fell 6.56% to 859,275. However, The Mail on Sunday bucked the tabloid average by increasing circulation by 3.18% to 2,344,834.
In terms of the quality Sundays, The Sunday Telegraph recorded the most impressive month-on-month performance, with a sales hike of 2.91% to 689,213. The Sunday Times rose 1.33% to 1,375,972 and The Observer was also up, rising 2.97% to 438,365.
At the bottom of the scale, was the Sunday Herald, which fell 5.12% to 58,528, and The Business, which dropped 5.11% to 184,290.
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