The fine wine market has been broadening. 4,396 different wines traded in 2016. This represented an increase of 27% on 2015, and 167% on 2010 when the market was dominated by a narrow group of top Bordeaux wines.

Although wines from new areas such as England and China have begun to see activity on the market, these have not impacted the numbers greatly.

Instead, the increases are largely due to buyers diversifying within the traditional fine wine producing regions. Burgundy stands out: an additional 450 different wines traded last year compared to 2015, a rise of 57%.

The range of Bordeaux trading has also expanded, though the increases look smaller in percentage terms.

Champagne, Italy, and the Rhone have increased but from much lower bases.

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Find out more: The long tail: fine wine market broadens