Otago's economy has steadily increased, as have all other regional economies throughout New Zealand.

Otago's gross domestic product for the year ending March 2014 was worth just under $10b in current prices.

That's double the value of the region's GDP from the year ending March 2000.

Every year since the region's GDP value has gone up.

Southland is ahead in the latest growth, leading the country with an 11% annual increase.

A strong agriculture industry is credited with boosting regional GDP values nationwide.

Auckland and Wellington have had the smallest annual increases.