 The actual number of horses within the park is also difficult to ascertain with estimates ranging from 1700 in 2008 increasing by 300 each year, 7679 in 2009, and from 2500 to 14,000 in 2013-2014.In 2016 the population was estimated to be 6000.By 2019, this number was found to have more than doubled to 25,000.