In 1970s, two oil crises pushed oil prices to soar continuously. 1970, the official price of Saudi crude oil is 1.8 USD/barrel; 1974 (the first oil crisis), the price of crude oil broke through 10 USD/barrel for the first time; 1979 (the second oil crisis), the price of crude oil exceeded $20/barrel for the first time; 1980, the price of crude oil exceeded $30/barrel for the first time; 198 1 At the beginning of the year, the international crude oil price was as high as $39/barrel; Subsequently, international oil prices fell wave after wave, and a round of 20-year oil price stability period began. 1983 —— At the beginning of 2003, the oil price hovered below $30 for 20 years. 1986, the international crude oil price once fell below 10 USD/barrel; From 1986 to 1999, the international crude oil price basically remained below $20/barrel, but during September 9- 10/October of 1990, the oil price suddenly soared, breaking through $40/barrel for the first time, but quickly fell to $20/barrel two months later. At the end of 1998 and the beginning of 0999, the international crude oil price once fell below 10 USD/barrel. In 2000, the international crude oil price briefly rushed above $30/barrel, but soon fell below $20/barrel. On September 1 1, the world experienced terrorist attacks and oil prices plummeted. In 2002, the market oil price quickly stabilized at $25 per barrel. At the beginning of 2003, the international crude oil price once again exceeded $30/barrel. In September 2004, affected by the Iraq war, the international crude oil price once again broke through $40/barrel, and then continued to rise, and broke through $50 for the first time. In June 2005, the international crude oil price exceeded $60/barrel for the first time, and it accelerated. In August 2005, Mexico was hit by Hurricane Katrina, and the international crude oil price exceeded $70/barrel for the first time. After 2006, with the development of the world economy, the price of crude oil rose sharply. In 2007, it rose rapidly from $58.32 per barrel at the beginning of the year to $98.6 per barrel at the end of the year, with an increase of 69. 1%. During September 12, the international crude oil price exceeded $80 per barrel for the first time, and then continued to accelerate. By June 65438+1October 18, the international crude oil price exceeded $90 per barrel for the first time. After 2008, oil prices have been soaring. In July, the international crude oil futures price rose to an all-time high of $47.50 per barrel/kloc-0. Subsequently, affected by the global financial crisis in the United States, crude oil consumption in the world market shrank sharply, and international oil prices also fell rapidly. By the end of June 2008, the international oil price had fallen to the lowest point of $37 per barrel.