superbowl advertising timeline down the years

Taking a look at some of the numbers in Superbowl. The numbers are truly mind-boggling. Average american viewer will spend $82.19 on superbowl.
In 2016 ,the cost of 30 second commercial was $5 million, the highest ever. 189 million viewers watched  the Superbowl in 2016
50 million cases of beer are sold  during the super bowl week. 23% viewers were  more interested in watching the commercials  rather than the game. While 45% the game was of primary importance