Access fees to protected areas, for example, were introduced in 1998, initially the revenue went to the federal government budget, however, so incentives to apply them effectively were weak. This changed in 2001 when, after a request from SEMARNAT, Congress earmarked the revenue for activities in parks (Guevara, 2009). From 2002 to 2010, the number of protected areas participating rose from 13 to 68 (out of 174), and the total revenue collected increased from about MXN 20 million to MXN 63 million (Figure 5.7), equivalent to 7% of the federal budget allocated for protected areas in 2010. This will be particularly important as Mexico has a goal of further expanding the coverage of protected areas in accordance with the Aichi biodiversity targets for 2020, as well as Mexico’s Vision 2030 and sustainability goals, which state that protected areas are to increase to 16% of the total territory.