The given bar graph shows the information about total revenue by year as a stacked bar graph. To begin with, we can see that there are several sections in this picture, which are ads, leads and Google ads. According to this paragraph, in term of ads, the largest number can be found in 2009 which is about 4,500 dollars while the smallest number can be found in 2006 which is about 3,000 dollars. Last but not least, in term of leads, the largest number can be found in leads which is about 22,000. In conclusion, in term of Google ads, the smallest number can be found in 2009 which is about 3,320.