[balajiviswanath]

As the 4 columns show, productivity & hours worked go diametrically opposite (negatively correlated). All the countries in the most working list are also in the least productive list. So, it still doesn't change the German assertion that Greeks are not doing enough.

Second, the article itself accepts - " because the two labour markets are structured differently, it is actually hard to compare like with like."

That means the headline is pointless as it is contradicted by the sentence above.