The table illustrates the number of oil barrels produced daily in four different nations between 2000 and 2004.
Overall, while there were increases in the everyday oil production in Nigeria, Chad and Somalia over a 4-year period, while the opposite was seen in the figure for Congo. It is also noteworthy that Congo witnessed the most significant change during this time.
Starting at 205,000, the number of oil barrels that were manufactured in Nigeria gradually fell to 201,000 and 190,000 in 2001 and 2002, respectively, before growing to 210,000 and 213,000 in the next 2 years. Meanwhile, Somalia experienced a soar, increasing 5,000 oil barrels in the first year to 8,000, 17,000, 21,000 and 50,000, in that order. Dramatic growth to 50,000 was also seen in the figures for Chad but to a greater extent (from 0 in 2000 to 50,000).
Regarding the remaining manufacturer, 275,000 oil barrels were created in Congo in 2000. This number then dropped consistently, with the corresponding figures of 234,000 in 2001, 222,000 in 2002, 215,000 in 2003, before hitting the low of 203,000 in the final year.