Over the past century, the economies of Germany and Japan have seen shifts in their dominant industrial sectors. At different historical points, steel, food, and services became the top contributors to each country's economy. Notably, there was one year when the same industry in both countries reached the highest level of contribution to their GDPs. This year can be clearly distinguished when examining the GDP contributions of these sectors in _____
Which choice most effectively uses data from the table to complete the statement?