| 年份 | 类型 | 数值（百分比或天） |
| 2005 | U.S. Percent of Crude Oil Stocks Held in SPR (Percent) | 67.90 |
| 2006 | U.S. Percent of Crude Oil Stocks Held in SPR (Percent) | 68.80 |
| 2007 | U.S. Percent of Crude Oil Stocks Held in SPR (Percent) | 72.20 |
| 2008 | U.S. Percent of Crude Oil Stocks Held in SPR (Percent) | 69.50 |
| 2009 | U.S. Percent of Crude Oil Stocks Held in SPR (Percent) | 70.30 |
| 2010 | U.S. Percent of Crude Oil Stocks Held in SPR (Percent) | 70.00 |
| 2011 | U.S. Percent of Crude Oil Stocks Held in SPR (Percent) | 69.30 |
| 2012 | U.S. Percent of Crude Oil Stocks Held in SPR (Percent) | 67.30 |
| 2013 | U.S. Percent of Crude Oil Stocks Held in SPR (Percent) | 68.00 |
| 2014 | U.S. Percent of Crude Oil Stocks Held in SPR (Percent) | 65.70 |
| 2015 | U.S. Percent of Crude Oil Stocks Held in SPR (Percent) | 60.70 |
| 2016 | U.S. Percent of Crude Oil Stocks Held in SPR (Percent) | 58.90 |
| 2017 | U.S. Percent of Crude Oil Stocks Held in SPR (Percent) | 61.10 |