Since its inception, the chart had been published on a fortnightly basis with its positions being compiled by sales data from Latin music retailers and distributors.
Billboard also imposed a linguistic rule requiring an album to have 70% of its content in Spanish (later reduced to 50%) to be eligible to rank on the chart.
[4] Ana Gabriel was also the female artist with the most number-one records of the 1990s with Quién como tú (1989), En Vivo (1990), and Silueta (1992).
[6] Other female acts to reach number one on the chart in the 1990s included Vikki Carr, Gloria Estefan, Myriam Hernández, Daniela Romo, Selena, Shakira, and Olga Tañón.
His album Romance (1991) was credited with reviving mainstream interest in the bolero genre,[11] and spent 16 weeks at the apex of the chart.