Commodities Crude oil prices on the boil again — Here is how the rates fluctuated in the last 30 years Updated : January 07, 2020 03:01 PM IST In the year 2019, WTI oil prices gained over 34 percent after falling 24 percent in the year 2018. The year 1999 saw oil prices surging 112.19 percent and further adding 3.73 percent in the next year. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.