A single dollar increase in the price of petroleum can mean millions of pesos in lost revenues for the Dominican government. The local press, on occasion of the upward trend of the prices of petroleum on world markets, gave the totals on the differential the price of petroleum and the sales price generates for the Dominican government. Year Petroleum sales tax 1996 RD$3,372 million 1997 RD$5,229 million 1998 RD$6,215 million.