The given chart illustrates how many houses were constructed each year, namely Derby and Nottingham over a period of 9 years, commencing from 2000.
In general, the quantities of houses built in two cities witnessed an upward trend over the ten-year period. Additionally, the number of houses constructed in Derby was highest in 2009, while the opposite was true for that of Nottingham in 2006.
In the year 2000, the number of homes built in Nottingham was 50, in comparison with about 40 for Derby. After remaining unchanged over the next year, the number of houses constructed in Derby grew gradually to nearly 120 in 2003, while this figure for Nottingham fluctuated between 20 and 60 over the following 3 years.
In the second half of the period, there was a stability in the quantity of homes built in Derby from 2003 to 2007, standing at approximately 120, while this figure for Nottingham grew marginally to 75 in 2005 before dropping substantially to nearly 10 in 2006. However, the quantity of houses built in Nottingham increased considerably to nearly 200 in 2007 before declining back to 20 one year later. In the same year, the number of houses constructed in Derby rose dramatically of around 150, which caused a significant difference in the number of houses in both cities. Furthermore, the number of houses built in Derby continued to increase and peak at roughly 340 in 2009, while this figure for Nottingham rose substaintially to 250 in the same year.