at the time of its inception, it was classified as 4th class province with an annual income of over 300,000.00. seven years later, because of rapid increase of revenue collection particularly from the logging ventures, it has been reclassified as ist class b and in 1980 as ist class a with an estimated annual income of around 13,000,000. it has been reclassified as 2nd class with a revenue adding up to 315,888,300.63.