The bar graph provides information about the very first costs and the current prices for the Summer Olympics between 1976 and 2012.
Overall, it is clear that there are ten times accordingly ten countries. The actual costs exceeded the initial estimate in per year; in addition, the most noticeable one is the cost in the last year.
It can be seen that at the beginning of the graph, in 1976, these two categories of costs were the lowest among them (only $1-2 billion). By 1988 it illustrates only minor alterations in prices; however, in 1992 in Barcelona, they made a breakthrough, the costs rose to $50 billion in the initial costs and to $75 billion in the actual spending respectively. Notwithstanding, they declined by 1996 (to 1 and 25 billion dollars).
Looking at the chart in more detail, it can be seen that until 2000 there were stable costs. However, starting from 2004, they increased their costs in both categories notably. In 2004 their prices rose to $25 billion in the first and to $74 billion in the current finance. Then, the chart demonstrates more roses in 2004 in Beijing (2008) which is the highest one, and London (2012).